ORACLE, Performances, PL/SQL, SQL, TUNING, Upgrade
Collected posts: Oracle, SQL, PL/SQL, Performance, Security...(More than 300 blogs)
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Clarification regarding Oracle Advanced Queue partitioning/ parallel processing methods. - Use Case: We are implementing partitioning in the AQ to enable batch processing with array dequeue while ensuring: 1. Ordering maintained per partit...Il y a 2 heures
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Don’t jump on that Zoom call … at least not right away - I’m sure many of you have seen the memes and the like on social media where every time someone says “Can you join a Zoom call?” or “Can you pop onto Teams?...
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Don’t jump on that Zoom call … at least not right away - I’m sure many of you have seen the memes and the like on social media where every time someone says “Can you join a Zoom call?” or “Can you pop onto Teams?...
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SQL Server compression methods testing and comparison - Preamble SQL Server compression methods allow you to compress your data to use less disk space at the cost of a bit of CPU to decompress. Nowadays with f...Il y a 13 heures
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Applying Patches During an Oracle Database Installation - Hello, Starting with Oracle Database 18c, you can download and apply Release Updates (RUs) during an Oracle Database installation. In this blog post, I wil...Il y a 1 jour
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Slot Gacor: Panduan Menemukan Slot Terpercaya - Slot Gacor: Panduan Menemukan Slot Terpercaya Permainan slot online semakin populer di Indonesia. Salah satu jenis permainan yang banyak diminati adalah ...Il y a 1 jour
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Using Oracle Database 23ai as a Document Store - JSON is one of the most popular data formats, and unsurprisingly, modern, multi-model database, Oracle included, offer JSON support. Ideally, your database...Il y a 2 jours
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Modeling the Future: Why Formal System Definitions Matter in the Age of AI and Digital Twins - The world is becoming increasingly automated. Concepts that once felt like abstract academic discussions – the very definition of a "system" – are now fr...
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Creating Oracle Database AWR reports straight from SQLcl - One of the many powerful features of the Oracle Database is the Automatic Workload Repository report or short AWR report. The Automatic Workload Repository...
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The search for existing encryption and wallets in the database - In the first blog in this series we discussed the main issue with using DBMS_CRYPTO to encrypt data within the database. This is the lack of key management...Il y a 3 jours
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Oracle 23ai and python. some simple code. - TL;DR: Python and Oracle 23ai: A few helpful ideas, programs and code-snippets that made my life with python and Oracle easier. This one is about Connect...
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Complaints Filed With BBB for Voya - Saving my work in case it gets deleted. Forgot to mention spouse as 10 million in 401k and every time there is a change it causes HUGE impact to the funds ...Il y a 4 jours
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How-To Build MCP Server and Client: Step-by-Step Simple Tutorial - This video is a step-by-step very simple tutorial on Anthropic's Model Context Protocol (MCP) with a hello-world and then a real-world example. *Code:* ...
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Oracle Hot Topics: Apr 03,2025 - Knowledge Articles Knowledge Article Product Area Last Updated ORA-00600 [17287] After Restore / Recovery Oracle Database - Standard Edition Oracle ...
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Implementing OCI Logging Analytics for Proactive Incident Detection - Oracle Cloud Infrastructure (OCI) Logging Analytics is a powerful service that helps organizations aggregate, analyze, and act on log data from across thei...Il y a 1 semaine
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Windsurf powered Software Engineering — From Commanding Officer to Collaborators - In an earlier article (How to build a Chrome Browser Extension in 15 sentences using Windsurf) I related how I needed only 15 simple sentences to get the...Il y a 1 semaine
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Oracle 23ai vector column data type - First create a database account called “vector” in FREEPDB1 pluggable database as follows: SQL> CREATE USER VECTOR IDENTIFIED BY VECTOR123 DEFAULT TABLESPA...Il y a 1 semaine
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How Do You Pick Events in Extended Events? - A while back I wrote about using AI to explore why people are not using Extended Events. You can read all about it here, but a short summary of the bigge...Il y a 1 semaine
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Comparative Techniques - This post is designed to illustrate PL/SQL code with techniques employed before Oracle Database 12c with manual sequence references rather than auto genera...Il y a 1 semaine
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Flashback a Pluggable Database in RAC with Data Guard - I have published a new video Flashback PDB in RAC with DG. Here are some important considerations / commands when you want to use Flashback : 1. Ensur...Il y a 1 semaine
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Secure IOT device uploads to Oracle Database via REST API - Easily setup your Internet of things (IOT) devices to share their telemetry data with your Oracle Database, via a secured REST API and a bit of Python. T...Il y a 2 semaines
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Coalesce SQ bug - Summary The “coalesce subquery” transformation introduced in the 11gR2 timeline can produce wrong results and you will find some bug reports and patches on...Il y a 2 semaines
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DBMS_STATS.GATHER_TABLE_STATS fails with ORA-01760 illegal argument for function - This is just a reminder in case I'll stumble upon this problem again in the future. Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Productio...Il y a 2 semaines
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dbLinter Rules Repository - Introduction Today I proudly announce that the Joint Venture between United Codes and Grisselbav released the initial version of the dbLinter Rules Repos...Il y a 3 semaines
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How to map the Oracle TIMESTAMP WITH TIME ZONE with JPA - Introduction In this article, I’m going to explain how to map the Oracle TIMESTAMP WITH TIME ZONE with JPA and Hibernate. While the DATE and TIMESTAMP co...Il y a 3 semaines
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Locally Partitioned Unique Indexes on Reference Partitioned Tables - Normally, if you want to locally partition a unique index, you must include the partitioning key in the index key. Otherwise, you get will error *ORA-14039:...Il y a 3 semaines
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ATLAS DCS Analysis with Apache Spark and Jupyter Notebooks - The *ATLAS Detector Control System (DCS)* at *CERN *is essential for ensuring optimal detector performance. Each year, the system generates tens of billi...
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Partition Pruning and Global Indexes - There is a common misconception that partition pruning does not help in the case of global indexes and only works with local indexes or full table scans (F...Il y a 3 semaines
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Example Vector configuration for Splunk Cloud - For my k3s installation, I wanted to try out the free tier of Splunk Cloud for storing logs. That means configuring Vector (my log collector of choice) to ...Il y a 3 semaines
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MongoDB API: operations and data types supported by Oracle Database - “With the right set of mind, with the right people, with the right support, things happen.” Grigor Dimitrov There is an extensive list of the MongoDB APIs,...Il y a 3 semaines
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MongoDB API: operations and data types supported by Oracle Database - “With the right set of mind, with the right people, with the right support, things happen.” Grigor Dimitrov There is an extensive list of the MongoDB APIs,...Il y a 3 semaines
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Golden Gate: Cleanup and restart for the failed Initial load direct load - When performing an initial load using Direct Load, you may need to restart the process... The post Golden Gate: Cleanup and restart for the failed Initia...Il y a 3 semaines
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ORA-06512: at "SYS.DBMS_ISCHED" - *Database - *Oracle Database 23AI *Cause: *An attempt was made to perform a scheduler operation without the required privileges. Action: Ask a sufficiently...Il y a 4 semaines
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TIME_BUCKET group by time period - We all know how to sum up by year select to_char(trunc(hiredate,'Y'),'YYYY') year, count(*) from scott.emp group by trunc(hiredate,'Y') order by trunc(hire...Il y a 4 semaines
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Hitting 62 - Another year has gone by and I’m 62. The past year has been a rather interesting one, two rather major events from the past year. My middle daugh...
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23ai JDBC Driver Does Not Consider RETRY_COUNT and RETRY_DELAY - RETRY_COUNT and RETRY_DELAY are key to setting up JDBC client failover setup. Adjusting these parameters allow connection pool to wait for the duration pla...Il y a 4 semaines
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A Resource Manager CPU Time Limit for PS/Queries Executed On-line in the PIA - In previous posts, I have proposed: - A Sample Oracle Database Resource Manager Plan for PeopleSoft. It can be downloaded from Github: PSFT_PLAN....Il y a 5 semaines
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Sessionless Transactions - the moving target - Sessionless Transactions are quite new to Oracle. Some might argue this is not true: XA transactions are available since Oracle 7. The new Sessionless Tra...Il y a 5 semaines
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SQL table macros 15: parameterized views revisited - In my previous post, I tried to use views and macros together as an equivalent to parameterized views. Unfortunately, my generic macro can’t handle bind va...Il y a 5 semaines
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PostgreSQL : optimiser vos opérations vacuum et analyze ! - Hello pour commencer cette année 2025 , voici un petit article PostgreSQL ou l’on vous présente comment optimiser les opérations de maintenance que sont ...Il y a 1 mois
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Wissensmanagement in Unternehmen: Von einer Sprach-Kultur über eine Schrift-Kultur zur KI-Kultur - Wissen ist eine der wertvollsten Ressourcen eines Unternehmens. Künstliche Intelligenz ermöglicht da viele neue Möglichkeiten – wenn die Informationen in p...Il y a 1 mois
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Sitemap - Sitemap - All posts on this blog 1. SQL Introduction 2. SQL Update 3. SQL Delete 4. SQL / PLSQL Interview Questions 5. PLSQL Cursors 6. PLSQL Triggers 7. S...Il y a 2 mois
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Simple Talk Podcasts - Yeah, the guys introduced me on the podcast, so now they’re stuck with me! I won’t be on all of Tags: podcast Del.icio.us Facebook TweetThis Digg Stumble...Il y a 2 mois
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HABITS help us align our values with daily - HABITS are daily and our daily life is decided by our HABITS. Good (or) bad our life is decided by HABITS Our values define our life and it is possible to ...Il y a 2 mois
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Oracle 19c: Online Statistics Gathering и скорость выполнения операций Drop / Truncate Partition - Начиная с 19 версии Partitioned Table Statistics Changed After Truncate Partition or Drop Partition Operation (Doc ID 2970098.1) On Oracle 19C, a partition...Il y a 2 mois
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Matplotlib Oracle Example - Introduction Everyone who has heard the old saying “a picture is worth a thousand words” appreciates its simple wisdom. With Oracle databases you have situ...Il y a 2 mois
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Five Years (as David Bowie once sang) – How Covid-19 started for me. - It was about now (10th Jan) 5 years ago when I first became aware of something a little bit wrong happening in China. There was a news article in “New Scie...Il y a 3 mois
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Five Years (as David Bowie once sang) – How Covid-19 started for me. - It was about now (10th Jan) 5 years ago when I first became aware of something a little bit wrong happening in China. There was a news article in “New Scie...Il y a 3 mois
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EBR – Part 13: The Trouble with Foreign Keys with ON DELETE Clause and Related Triggers - This is part 13 of a post series about Oracle Edition-Based Redefinition. Visit the index page for all the parts of the series Introduction As I wrote in...Il y a 3 mois
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Reflections on a year of biking for 2024 - Since shortly after moving to Seattle in July 2022, I have not driven a car. I’ve gotten around by bike and public transit. During 2023, I stayed mostly in...
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Install Oracle 23ai ASM on Linux from Exadata Sources - Why Oracle 23ai from Exadata? With Oracle Database 23ai being postponed to a later date (“tba”) in November 2024, and many people not being part of the Ora...Il y a 3 mois
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UKOUG Discover 2024 - Yesterday was the last day of the UKOUG Discover 2024 conference, and I had two talks between 13:00-15:00. It’s been about 4 years since my last face-to-...Il y a 4 mois
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pre-post check script - ####################################################### #!/bin/ksh # set the DB env and run # Script to check PRE & Post checks Manually # # CB - -...Il y a 5 mois
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Microsoft Fabric - Data Factory (microsoft.com) *Create a Data Flow* Create your first Microsoft Fabric dataflow - Microsoft Fabric | Microsoft Learn Getting Started wi...Il y a 5 mois
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Reflections on Founder Mode - Paul Graham’s Founder Mode is an important piece, and you should read it if for no other reason that “founder mode” will surely enter the lexicon (and as G...Il y a 7 mois
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Staging Tables in Oracle 23ai - Browsing through the Oracle 23ai New Features Guide, I once again discovered a small, inconspicuous feature that I had previously overlooked: There is a ne...Il y a 8 mois
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Caveat on index compression advanced low - The first time I played with the ADVANCED LOW option of index compression I got burned. I’m still in the process of getting burned. I don’t have much info ...Il y a 9 mois
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Client-side database connection timeout insanity - Attributed to Einstein but considered a dubious association, the quote is something like “Insanity is doing the same thing over and over and expecting diff...Il y a 9 mois
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Oracle EBS R12.1.3 autoconfig failed with Error - txkCfgUtlfileDir.sh - In one of our csutomer Environment during the Oracle E-Business suite siwtchover activity we encounted the following error during exeuction of autoconfig. ...Il y a 10 mois
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Modifying ORDS Jetty Parameters - Recently we were working on an issue that was occurring to developers in Oracle Application Express’s (APEX) Page Designer. When we would attempt to vali...Il y a 10 mois
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How to add new disk at Oracle Linux? - You may need to add disk to your server. Adding a disk to Oracle Linux involves several steps, including identifying the disk, partitioning it if necessary...Il y a 10 mois
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Pickleball & Longevity - Studien zufolge trägt die Trendsportart Pickleball in nahezu idealer Weise zur Langlebigkeit bei! Wer möchte nicht sein Leben bei guter Gesundheit um 10 Ja...Il y a 10 mois
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Difference Between OCI Load Balancer & Network Load Balancer by A-Team…. - So this is more of me putting this article for my own memory. Oracle’s A-Team(www.ateam-oracle.com) has put together probably the best article on the diffe...Il y a 10 mois
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AGI vs AI - One of my newsletter readers was asking me about the difference between “AGI” and “AI”. In one issue of my newsletter last year, I put it this way: Artific...Il y a 11 mois
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New views in Oracle Data Guard 23c - Oracle Data Guard 23c comes with many nice improvements for observability, which greatly increase the usability of Data Guard in environments with a high...Il y a 1 an
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I Cannot Participate in the Genocide | I Quit Blogging on Oracle Products - Since Oracle declared its "*stand with Israel*", it puts me in a moral dilemma, in one hand my main intention of blogging was to share the knowledge with...Il y a 1 an
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The converged Christmastree - With this year’s converged Christmas tree, we achieved a particularly special variety. It not only contains the Multifir Christmas tree (...) Der Beitrag...Il y a 1 an
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Introducing the All New Data Vault Alliance Professional Membership - This is very exciting news to everyone interested is upping their #DataVault 2.0 game with access to exclusive member benefits including regular coaching a...Il y a 1 an
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enq: TM - contention Wait Event , Cause, Related SQL queries, Possible Resolution - The "enq: TM - contention" wait event in Oracle indicates contention for a table-level lock. This contention occurs when multiple sessions are attempting t...Il y a 1 an
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Oracle Database Service options for Azure Customers - We saw Larry Ellison visit Redmond for the first time to make an important partnership announcement with Satya Nadella. Yesterday’s announcement shows we h...Il y a 1 an
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Best model from UK clients to set-up offshore development centre in India (IDC) - Introduction: Built to operate model generally is heard in the infrastructure industry, nowadays IT businesses are also constantly seeking innovative sol...Il y a 1 an
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The End Of Richard Foote’s Oracle Blog (“Rock ‘n’ Roll Suicide”) - Of all my many Oracle blog posts, this particular post will remain with me the longest, for not only is it the last blog post I’ve done in a while, but i...
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SPM baseline and historical execution plans - I have often wondered why when we consult a past execution plan that is protected by an SPM baseline, there is no Note at the bottom of that execution plan...Il y a 2 ans
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SPM baseline and historical execution plans - I have often wondered why when we consult a past execution plan that is protected by an SPM baseline, there is no Note at the bottom of that execution plan...Il y a 2 ans
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GoodBye 2022, Hello 2023 - 2022 has been a peaceful and kind year both professionally and personally for me. I began the year as an AWS Data Lab Solution Architect, helping external ...Il y a 2 ans
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Sql2Odi - best practices for auto-generating your ETL content - I blogged a while ago about our Sql2Odi tool that converts SELECT (and WITH as well) statements into Oracle ODI Mappings. (Blog posts 1, 2 and 3.) Now th...Il y a 2 ans
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World Cup 2022 Challenge online! - For the last 16 years, with every big football tournament (World Cup and Euro Cup), we've launched an Oracle APEX app where you can predict the scores of...Il y a 2 ans
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New works by John Williams Waterhouse “discovered” - Is there an artist you liked, but would love to have seen more works by? I always liked John William Waterhouse and wished there were more pieces. You may ...Il y a 2 ans
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Use of packet capture and other advanced tools in network issues troubleshooting - Introduction In this post I’m sharing my recent experience troubleshooting a rather complex performance issue. The issue showed up during performance test...Il y a 2 ans
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VS Code: Removal of Trailing Spaces - The Windows\Linux keyboard shortcut for removing trailing spaces in VS Code is: Ctrl + K Ctrl + X On macOS it is: ⌘ + K ⌘ + X Alternatively you can access ...Il y a 2 ans
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“Oracle Database Security with practice solution” books - Finally I would like to say I made it. First time in Azerbaijan , I published “Oracle Database Security with practice solution” books. I strongly recommend...Il y a 2 ans
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Running High Scale Low Latency Database with Zero Data In Memory? - I was talking to one of my oldest database colleagues (and a very dear friend of mine). We were chatting about how key/value stores and databases are evo...Il y a 3 ans
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The Biggest Gap In The Clouds? High Performance RDBMS - Over the course of the last few blog posts, we’ve looked at how an increasing number of database workloads are migrating to the cloud, how there is more th...Il y a 3 ans
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Puppy remembrance virtual goodbye session - Our dear friend Pieter left us unexpectedly in July, a lot of people couldn't say goodbye yet. Therefore we organise a virtual goodbye ceremony We wi...
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How can Oracle help with Zero-Trust Security Model? - *An overview of Zero Trust Security Architecture* Zero trust is an IT security approach to keeping sensitive data safe while complying with new privacy r...Il y a 3 ans
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Moving Databases from ASM to ZFS on Exadata - Exadata is the best database machine available to run every Oracle database workload. But many times, within Exadata proliferate a large number of test a...Il y a 3 ans
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A study of the Linux kernel PCI subsystem with QEMU - *Oracle Linux kernel engineer Dongli Zhang provides a cheat sheet on how to utilize QEMU to study the Linux kernel PCI subsystem.* The Linux PCI sub...Il y a 3 ans
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Video: Updated Tour of Database Actions & JSON - Video tour and demonstration of our latest JSON interface in Database Actions (formally SQL Developer Web) for the Oracle Database. The post Video: Updat...Il y a 3 ans
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pgbouncer and slow server pool increase - This post is about an issue I ran into when trying to use pgbouncer in front of Yugabyte YSQL, the postgres layer yugabyte reuses for handling relational d...Il y a 4 ans
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Certification Tests – A Necessary Evil - Originally posted on Mike Gangler's Musings: In today’s database market, getting certified is becoming more of a requirement than previous years.?? The cur...
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Certification Tests – A Necessary Evil - Originally posted on Mike Gangler's Musings: In today’s database market, getting certified is becoming more of a requirement than previous years.?? The cur...
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Sending Push Notifications from Oracle Notification Service with Oracle Functions and Pushover - The Oracle Notification Service is an extraordinary service. I’ve blogged about it in the past (see the Complete Guide to the Oracle Notification Service...Il y a 4 ans
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Oracle Identity and Access Management 12c Upgrade Factory - Organizations want to reduce complexity and achieve more control across an increasingly complicated technology landscape. The dynamics and logistics are ...Il y a 4 ans
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Introducing Oracle Cloud Infrastructure Vulnerability Scanning Service - Oracle Cloud Infrastructure puts the security of critical workloads at the center of our cloud infrastructure. This modern public cloud is built with the...Il y a 4 ans
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Fusion Middleware Support Monthly Blog Index - March 2021 - Welcome to the Monthly Index for March 2021 The following provides quick links to recent Fusion Middleware Proactive Support Blog postings from over the ...Il y a 4 ans
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ANNOUNCING: Systems Engineering Forum - Modernizing Enterprise Infrastructure with Oracle ... - Oracle Systems Engineering is hosting a webinar on Oracle Solaris and SPARC systems in the North America time zone on April 13th, 2021. Join us live at 9...Il y a 4 ans
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ANNOUNCING: Systems Engineering Forum - Modernizing Enterprise Infrastructure with Oracle ... - Oracle Systems Engineering will be hosting a webinar on Oracle Solaris and SPARC systems in the North America time zone on April 13th, 2021. Join us live...Il y a 4 ans
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Autonomous Database Newsletter - March 8, 2021 - March 8, 2021 Newsletter For Autonomous Database on Shared Exadata Infrastructure Welcome to our latest customer newsletter for Autonomous Databa...Il y a 4 ans
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ANY_VALUE and FIRST/LAST (KEEP) - The FIRST and LAST (a.k.a. “KEEP”) aggregate functions are very useful when you want to order a row set by one column and return the value of another col...Il y a 4 ans
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Celebrating 25 Years of Java - Twenty-five years after its initial premier, Java is still the most widely used development language in the world. It continues to be a favorite technolo...Il y a 4 ans
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Upcoming talks UTOUG, INSYNC, and Uzbekistan INHA University. - March and April are booking up fast. Getting real busy and loving life. Utah Oracle Users Group (UTOUG) March 17 – 18 Keynote: “Curves ahead: Emerging tech...Il y a 4 ans
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Oracle ODA 19.10 Will Support KVM for Hard Partitioning of Oracle Databases - Major announcement made by the ODA team last week that this release will be the last release to support 11.2.0.4. After this release, customers will hav...Il y a 4 ans
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Optimizer Real-time Statistics Parameter in RU 19.10 Onwards - The Oracle Database 21c database initialisation parameter *optimizer_real_time_statistics* has been backported to Oracle Database 19c RU 10. The real-ti...Il y a 4 ans
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Am I running from inside a (DBMS_SCHEDULER) Job? - I’ve talked about improving your code instrumentation in the past, in particular how to use conditional compilation for your extra logger calls. See Debugg...Il y a 4 ans
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Oracle Database 21c Automatic In-Memory Enhancements - In Oracle Database 21c the Database In-Memory feature Automatic In-Memory (AIM) has been significantly enhanced. I wrote a blog post about AIM when it fi...Il y a 4 ans
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Security - "WIn16 :Z:\ Module 02 Footprinting and Reconnaissance\Website Mirroring Tools\HTTrack Web Site Copier and double-click httrack_x64-3.49.2.exe to launch the...Il y a 4 ans
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How to solve ORA-19505: failed to identify file in RMAN? - Reason: Archive log is deleted from os level and catalog is not synchronised. Posted by Pavan DBA on January 18, 2011 DBA’s will feel bad when they got a...Il y a 4 ans
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ORA-65140: invalid common profile name - How to solve if you get an error “ORA-65140” while creating a profile on Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 . Let us see how we can ...Il y a 4 ans
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Read [PDF] Suits A Woman on Wall Street - *Download PDF Suits A Woman on Wall Street* *Download* PDF EPub Doc EBooks Rtf Mobipocket Kindle FREE UNLIMITED BOOKS, ALL IN ONE PLACE. FREE TO TRY FREE...
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Hardening Apache ZooKeeper security using zkpolicy - Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination. Distributed applications can use it to maintain configu...Il y a 4 ans
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3 Benefits of Migrating to Oracle Linux Virtualization Manager (OLVM) - 3 Benefits of Migrating to Oracle Linux Virtualization Manager (OLVM) As Oracle VM inches ever closer to its 2021 end of support date, Oracle VM users have...Il y a 4 ans
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Advance Your Career with New 2020 Credentials - We’re excited to announce the release of many new 2020 certification exams. Being certified on the latest release ensures you stay current on Oracle te...Il y a 4 ans
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New Performance Tuning batch from 25th May [demo on 23rd May] - *Oracle Performance Tuning batch from 25th May [demo on 23rd May]* Duration: 20 classes Frequency: 5 days a week Timings: 7 – 8 AM IST Demo date & time: 23...Il y a 4 ans
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Unix - Automatically notifiy when disk space is running low - It's good to be forewarned when one of your volumes or diskspace is running low before it actually runs out (100% used). I have seen many databases hang wh...Il y a 5 ans
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Following Various Legal Action Regarding “Oracle Cloud Revenue” - As a courtesy, I would like to provide a copy of the latest legal document filed in an action being brought against Oracle leadership resulting from allege...Il y a 5 ans
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New Parallel Distribution Method For Direct Path Loads - Starting with version 12c Oracle obviously has introduced another parallel distribution method for direct path loads (applicable to INSERT APPEND and CTAS ...Il y a 5 ans
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The "Practical Oracle SQL" book is available... - You all know I've been writing on this book called "Practical Oracle SQL", right? [image: Practical Oracle SQL front cover] Well, now it's available for ...
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SQL Puzzle - Calendar of Current Year - With this post, I want to share a SQL Puzzle to *Generate the Complete Calendar of Current Year*. As you can see in the desired output - Month names shoul...Il y a 5 ans
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ORA 29648 Error Java Mismatch - Error Msg = ORA-29548: Java system class reported: joxcsys: release mismatch, 12.2.0.1.190716 1.8 in database (classes.bin) vs 12.2.0.1.200114 1.8 in execu...Il y a 5 ans
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Rankings for Logic Annual Championship for 2019 - You will find below the rankings for the Logic Annual Championship for 2019, held in February 2020 on the Oracle Dev Gym. The number next to the player's...
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APEX Component Settings for Switch - While I point out a 'hidden' setting for Switch items in APEX, I want to comment on two related item types found in Oracle APEX => radio buttons and checkb...
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ORA-12954 - I went to Techfest 2019 in Brighton. While I was there I saw a presentation by somebody from Pythian. He said that Oracle Database Express Edition is now v...Il y a 5 ans
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Invalid ODCIPARTINFOLIST on Upgrade - I have been working on upgrading Oracle 12.1.0.2 databases to Oracle 19.3 when I ran into a problem that took me quite awhile to figure out. I did a search...Il y a 5 ans
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INSERT … LOG ERRORS and SQL%ROWCOUNT - Oracle SQL has a really neat feature to log the rows that failed to be processed during DML statement (INSERT / UPDATE / DELETE / MERGE ). This is really g...Il y a 5 ans
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Exadata storage cell rolling restart caused datafile and redo log file header block corruptions - 24 hours passed – still at work. Struggling to start up the database which was corrupted during cell storage rolling restart procedure. And I’ve never seen...Il y a 5 ans
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DBMS_CLOUD : Loading a TEXT file without any DELIMITER - Recently I was working on an issue related to loading data from a flat file on to Autonomous Data Warehouse using dbms_cloud api. While lot has been writte...Il y a 5 ans
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Response to Make database simpler - I read an interesting and thought provoking blog this morning Make Oracle database simple again Much of is is common sense and is really best practise – n...Il y a 5 ans
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Getting an excel list of all Azure Virtual machines - Now i don't think i'm unique in getting frustrated that from some of the Azure portal screens there is no download as csv option or a more effective fi...
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Get toast chunk_id from the user table tuples or from the toast index thanks to pageinspect - Introduction TOAST stands for “The Oversized-Attribute Storage Technique” and allows to broke up large fields value into multiple physical rows (see the Po...Il y a 5 ans
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Get toast chunk_id from the user table tuples or from the toast index thanks to pageinspect - Introduction TOAST stands for “The Oversized-Attribute Storage Technique” and allows to broke up large fields value into multiple physical rows (see the Po...Il y a 5 ans
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PL/SQL & SQL Coding Guidelines Version 3.6 - PL/SQL & SQL Coding Guidelines Version 3.6Il y a 5 ans
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Truncate (or drop!) partition without disturbing global non partitioned indexes - The problem Typical problem with partition tables is partition pruning and problems with global non partitioned index on them. From the theory, if you tru...Il y a 5 ans
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Human readable JSON, stored in BLOB - Currently Oracle (we're using Oracle 18c at the moment) is still recommending to store your JSON document in a BLOB column. More efficient, no character ...Il y a 5 ans
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Delphix XPP explained - This article was originally posted on the Delphix Support blog on 15-Nov 2015, but with the deprecation of the XPP feature with the new 6.0 release and hig...Il y a 5 ans
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My Presentations at Germany Oracle User Group Conference (DOAG2019) - Next week I will be presenting the two following topics at Germany Oracle User Group Conference (DOAG2019): Cloning Oracle EBS Database With Snapshot for D...Il y a 5 ans
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My Presentations at Germany Oracle User Group Conference (DOAG2019) - Next week I will be presenting the two following topics at Germany Oracle User Group Conference (DOAG2019): Cloning Oracle EBS Database With Snapshot for D...Il y a 5 ans
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Exadata X8M - World's Fastest Database Machine - Exadata X8M has launched during OOW 2019, and termed as world's fastest Database Machine. Let's walkthrough about new additions that has made X8M as world...Il y a 5 ans
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SQLPATH/login.sql Not Run…. Again! - SQLPATH/login.sql will fail to run in 19c on Windows if the SQLPATH value isn't to Oracle's liking. A simple rename can workaround the problem.Il y a 5 ans
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Add Oracle Linux 8 Vagrant box - When using Oracle Linux (a lot) for local development you most likely want to use Vagrant to quickly deploy new environments locally. Oracle originally sup...
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Pluggable Database Cloning using Snapshot Copy - You need to be logged in to see this part of the content. Please Login to access.Il y a 5 ans
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MySQL history list effect on the latest record version reads - Mysql has a Multi Version Consistency Control(MVCC) to deal with Isolation part of ACID. Mysql effectively keeps the old row versions as long as needed for...Il y a 5 ans
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MySQL Parallel Index Range Scans: One is Sometimes Better Than Two - As presented at the Percona Live Conference in Austin in May, at Alibaba we are working on adding support for parallel query execution to POLARDB for MyS...
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OGB Appreciation Day: free cloud and people - Thank you, Tim Hall (oracle-base.com), for the OGB Appreciation Day! First of all I am thankful for the people like … Continue reading →Il y a 5 ans
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OGB Appreciation Day: free cloud and people - Thank you, Tim Hall (oracle-base.com), for the OGB Appreciation Day! First of all I am thankful for the people like … Continue reading →Il y a 5 ans
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Rounding Timestamp Values with Fractional Seconds - Lately, I had to deal with a timestamp value with an overly long sequence of decimal digits, coming as a string in ISO 8601 format : 1970-01-04T15:20:34.49...Il y a 5 ans
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Access Path Suggestor - Postgresql - Here is an improved access path suggestor from postgresql metadata. Based from my Oracle version. In addition to visualized path alternative this generates...Il y a 5 ans
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Welcome - This site contains links to material relevent to my professional life. I'm an IT professional with experience in a range of disciplines and technologies ...Il y a 5 ans
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OEM SSL Cipher Hardening Reset After Securing OMS - I have recently been installing Oracle Enterprise Manager at several sites, and one of the key requirements has been to ensure that the installation isn’t ...Il y a 5 ans
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Updates et Compression HCC (1) - Dans cet article je souhaiterais vous montrer ce qu'il se passe concrètement quand un update est effectué sur des lignes compressées en HCC (compression...Il y a 5 ans
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Completed Oracle 12c Database OCP Certification - Dear All, Alhumdulilah Completed Oracle 12c OCP Certification after working hard in Oracle 12c Databases. Worked & Studied Rigorously on Oracle 12c Databa...
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Sometimes the Simplest Things Are the Most Important - I didn’t ride in First Class a lot during my career, but I can remember one trip, I was sitting in seat 1B. Aisle seat, very front row. Right behind the la...Il y a 5 ans
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Version Conflicts among development maintained and customized templates encountered; aborting AutoConfig run - *Issues : * *Autoconfig Failing.* applrac@dev-app01:~$ applrac@dev-app01:~$ adautocfg.sh Enter the APPS user password: The log file for this session is ...Il y a 5 ans
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MIN/MAX Optimization and Asynchronous Global Index Maintenance - In this short post I would like to point out a non-obvious issue that one of my customers recently hit. On the one hand, it’s a typical case where the quer...Il y a 5 ans
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TIP 120 - How much memory my Linux process is using - _uacct = "UA-2338271-1"; urchinTracker(); Just came across some notes regarding Linux memory and I thought to share the below tip on how to find out memory...Il y a 5 ans
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Security Alert CVE-2019-2729 Released - Oracle has just released Security Alert CVE-2019-2729. This vulnerability affects a number of versions of Oracle WebLogic Server and has a CVSS Base Sco...Il y a 5 ans
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Dbvisit Standby Version 9 has landed! - Dbvisit Standby, Disaster Recovery, Oracle [image: Dbvisit blog preview image] Dbvisit Standby Version 9 has landed! Wow what an exciting time at Dbvisit ...Il y a 5 ans
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Petit lexique du BigData - Avec l’importance grandissante des technologies BigData, les entreprises se sont retrouvées confrontées à une multitude de nouvelles notions, qu’elles on...Il y a 5 ans
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Package and distribute a Scala jar to run on the command line - Add this to pom.xml – (update the mainClass to match your program): In Eclipse right click project and run as Maven build with goal=package Sample output f...Il y a 5 ans
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CDB Fleet in Oracle Database 18c - RSS content Oracle database 18c introduces a new CDB Fleet feature which allows many CDBs to be managed as one. A CDB fleet is a collection of CDBs and...Il y a 5 ans
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Identifying PostgreSQL Bloat and fixing it without downtime - Original Post can be viewed at Identifying PostgreSQL Bloat and fixing it without downtime MVCC (Multi-Version Concurrency Control) feature allows databa...Il y a 5 ans
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Oracle Ksplice introduces Known Exploit Detection functionality - The Oracle Ksplice team has added some really cool new functionality in Oracle Ksplice. Instead of writing and copying the blog pretty much, just go dire...Il y a 5 ans
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Playing with Oracle Database Security Assessment Tool (DBSAT) - The Database Security Assessment Tool (DBSAT) is an incredible free command line tool provided by Oracle Corporation as a utility to help you verify your d...Il y a 5 ans
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Hierarchical Query with search parameters (Pruning) - The following is a query from a friend, Reproducing it here: I have a menu structure using a hierarchical query. i have search field to enter some string a...Il y a 6 ans
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Oracle Certification Highlights – March - Oracle Certification highlights provides insight on new exams, exam preparation, exams that are retiring, program announcements, and all the great things t...Il y a 6 ans
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Filtering in the APEX Interactive Grid - Remember Oracle Forms? One of the nice features of Forms was the use of GLOBAL items. More or less comparable to Application Items in APEX. These GLOBALS w...Il y a 6 ans
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OEM Target Discovery and One Potential Source of Duplicates - With OEM 12c came a feature that I've come to appreciate, the ability to discover all targets on a given environment. Part of my appreciation is the remo...Il y a 6 ans
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Statspack Documentation - There is a lot of information on Statspack on the web but I have not found the official Statspack documentation except for Oracle 9i. As of Oracle 10g the ...Il y a 6 ans
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Why JAVA Is A Top Career Option for Beginners - There are multiple platforms and streams for developing a product or application. When we talk of technologies and programming languages, Java is the most ...Il y a 6 ans
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Scripts to deal with SQL Plan Baselines, SQL Profiles and SQL Patches - To mitigate SQL performance issues, I do make use of SQL Plan Baselines, SQL Profiles and SQL Patches, on a daily basis. Our environments are single-instan...Il y a 6 ans
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The Ultimate guide to DevOps Tools Part #4 : Docker - In this series that related to DevOps Tools that helps you as DBA to automate your work and make it easier for you , this will be the last part for Docker....
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OTW18 Sessions: Data Engineering and Latch Contentions - Thank you all those who came to my sessions at the OakTable World. Here are the presentations materials Think Data; not Database Data Engineering for Data ...Il y a 6 ans
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Oracle Database EM 18 XE Available to Remote Clients - I found lot of posts about *Oracle Database 18 XE*. It's very interesting for me. I didn't blog about how to install, because it's very easy for using rpm...
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Stop/Start all RAC databases at once - Introduction Stopping all RAC databases running on an ORACLE_HOME at once and saving the state before shutting them down is really helpfull when you are ...Il y a 6 ans
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Explorative Information Visualization - The power of data visualization At the moment I am taking the course Explorative Information Visualization at Aalto University. This course focus on the pr...Il y a 6 ans
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UKOUG London Development and Middleware event - free! - The Oracle development landscape is an extremely broad and complicated one these days. It covers such a wide range of tools, technologies and practices it ...Il y a 6 ans
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Strange sessions hang with waits on Latch: Undo Global Data - Just a quick note for those who may face the same issue 😉 Situation was progressed like this: a lot of sessions waits for Latch: Undo Global Data with loc...Il y a 6 ans
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Thoughts on the Oracle ACE Program - Four years ago during ODTUG KScope14, I was designated as an Oracle ACE in the area of Database Development. Vikki Lira, who ran the ACE program at the tim...
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MySQL 5.6 vs 5.7 - Whitelist preview of Performance Insights has just started on RDS MySQL and it gave me a chance to visually compare load profiles of MySQL 5.6 and 5.7. I f...Il y a 6 ans
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The Oracle Active Session History (ASH) - a real treasure trove - When Oracle introduced the Active Session History (ASH) a new gate of tuning and monitoring options was opened. Yes we had statspack, extended tracing and...Il y a 6 ans
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N.R. Narayanamurthy, Ajith Narayanan, Bulgaria, Sofia, Istanbul, India - What's the link? - This blogpost was again long pending one, but I was not sure on how to write this non technical real life experience as a blogpost, as I used to write o...
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Failover with Amazon Aurora PostgreSQL - https://aws.amazon.com/blogs/database/failover-with-amazon-aurora-postgresql/ AdvertisementsIl y a 6 ans
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Duplicate database to a diferent server - Prepare OLD database cd $ORACLE_HOME/dbs; cp orapwDBNAME orapwDBNAME.beforemigration orapwd file=/oracle/DBNAME/12102/dbs/orapwDBNAME sysdg=yes sysbackup=y...Il y a 6 ans
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Reflecting Changes in Business Objects in UI Tables with Visual Builder - While the quick start wizards in Visual Builder Cloud Service (VBCS) make it very easy to create tables and other UI components and bind them to business...Il y a 6 ans
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Reflecting Changes in Business Objects in UI Tables with Visual Builder - While the quick start wizards in Visual Builder Cloud Service (VBCS) make it very easy to create tables and other UI components and bind them to business...Il y a 6 ans
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Reflecting Changes in Business Objects in UI Tables with Visual Builder - While the quick start wizards in Visual Builder Cloud Service (VBCS) make it very easy to create tables and other UI components and bind them to business...Il y a 6 ans
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Reflecting Changes in Business Objects in UI Tables with Visual Builder - While the quick start wizards in Visual Builder Cloud Service (VBCS) make it very easy to create tables and other UI components and bind them to business...Il y a 6 ans
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Reflecting Changes in Business Objects in UI Tables with Visual Builder - While the quick start wizards in Visual Builder Cloud Service (VBCS) make it very easy to create tables and other UI components and bind them to business...Il y a 6 ans
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European Privacy Requirements: Considerations for Retailers - When retailers throughout Europe adopt a new set of privacy and security regulations this week, it will be the first major revision of data protection gu...Il y a 6 ans
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European Privacy Requirements: Considerations for Retailers - When retailers throughout Europe adopt a new set of privacy and security regulations this week, it will be the first major revision of data protection gu...Il y a 6 ans
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5 years - I’ve joined Pythian exactly 5 years ago. Back then I was a performance guy, with no real DBA and operational support experience. I knew enough about techno...Il y a 6 ans
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Date and Time Format in ASMCMD for File Listing - This is a short blog post to give you an idea how you can define your own custom date and time format for “ls -l” command in ASMCMD. If you use ASMCMD qu...Il y a 6 ans
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HDFS: Useful Hadoop Admin Commands - HDFS is designed more for batch processing rather than interactive use by users. The emphasis is on high throughput of data access rather than low latency...Il y a 6 ans
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NEW FEATURES IN ORACLE12C R2 AND ORACLE18C R1 - *NEW IN ORACLE12C AND ORACLE18C* Oracle12c R2 Multitenant Container Database Architecture Oracle12c R2 Database Architecture *New Features in Oracl...
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Good bye and thanks for the memories! - Hello fellow reader, 8 years ago I set up a goal to share my knowledge with fellow database engineers via this blog. This resulted in 36 (hopefully, decent...Il y a 7 ans
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#OUGN18 by OUGNorway is approaching - It is “now” time to post about upcoming OUGN 2018 Vårseminar. Since all 3 of my presentations are ready, all logistics are ready and the other stuff are r...
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#OUGN18 by OUGNorway is approaching - It is “now” time to post about upcoming OUGN 2018 Vårseminar. Since all 3 of my presentations are ready, all logistics are ready and the other stuff are r...
Il y a 7 ans
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Hotsos Symposium 2018 - Just a quick note to say I’m doing a couple of talks at this year’s Hotsos Symposium, which starts next Monday at 8:30AM. It’s not too late to register. ...Il y a 7 ans
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Deep learning, concepts and frameworks: Find your way through the jungle (talk) - Today at OOP in Munich, I had an in-depth talk on deep learning, including applications, basic concepts as well as practical demos with Tensorflow, Keras a...Il y a 7 ans
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Oracle Solaris 11.4 Public Beta Released - Yesterday the Oracle Solaris 11.4 Beta was released to the public. You can download it from OTN to have your go with it. Please read the documentation to l...Il y a 7 ans
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Why Cloud? The reason changed in 2017…twice - In 2017, the predominant reason companies considered moving to the Cloud changed *multiple times*. While the “how” tends to shift frequently, seeing the “...Il y a 7 ans
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Service Contracts Renewal Portal - How to setup and use Service Contracts Renewal Portal Date: August 1, 2012Author: Parag Mone0 Comments Overview Renewing service contracts is an important ...Il y a 7 ans
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Cloud Networking Basics for the Non CCNA certified – IP Address - As more and more enterprises are migrating their IT deployments to the Public Cloud, several IT personnel who are not classically trained on networking the...Il y a 7 ans
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Beware of intensive slow query logging when using - log_queries_not_using_indexes - MySQL slow query log is great for identifying slow queries that are good candidates for optimisation. Slow query logging is disabled by default, but it is ...Il y a 7 ans
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Oracle and the Autonomous Database (a personal perspective from afar) - Yeah, if you hadn’t seen that one coming, hmmm, what can I say… Lot’s of…Il y a 7 ans
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The power of scripting - So your system has a neat automated archive and purge function for your rolling partitions, driven by the PART_RETENTION table which holds the table name...Il y a 7 ans
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How to Clone Grid Infrastructure binaries for Oracle Server(Standalone) - *Yesterday I was applying patch on one of our development servers and patch on Grid Home failed with space issue and binaries got corrupted.* *I thought o...Il y a 7 ans
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My Internship Experience at Pythian - I remember nervously walking out of one of King’s Cross St Pancras Station’s numerous exits searching for the 7 Stanley Building. I wandered through the mo...Il y a 7 ans
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DataGuard FastSync : Define the Redo Transport Mode SYNC NOAFFRIM - *FASTSYNC *is a new DataGuard capability available with Oracle Database 12c. The FASTSYNC configures redo transport services for this configuration member ...
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ORDS 17.3 Beta - Introducing REST enabled SQL - Download Got get it on the normal ORDS download page http://www.oracle.com/technetwork/developer-tools/rest-data-services/downloads/index.html Versioning ...
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InnoDB tablespace Encryption - InnoDB tablespace encryption uses a two tier encryption key architecture, consisting of a master encryption key and tablespace keys. When an InnoDBtable...Il y a 7 ans
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SQL Diag Repository - Every once in a while I look around the list of new (fixed) views in the instance trying to find useful / interesting things to add to SQLd360 and recently...Il y a 7 ans
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Why Education-to-Employment is such a Hard Road - When you are young, things change from one year to another in both education and personal life. That’s why, some like to call youth *the period of many t...Il y a 7 ans
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Using DML with ADRCI - The Oracle Database has some useful debugging and diagnostics features. One such utility called the Automatic Diagnostics Repository Command Interpreter or...
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acroread on Linux 6 - As per https://access.redhat.com/errata/RHSA-2013:1402 : Adobe Reader (acroread) allows users to view and print documents in Portable Document Format (PDF...Il y a 7 ans
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12.2 ACFS compression, part I - One of the new 12.2 features is the ability to transparently compress ACFS filesystems. Compression is enabled using *acfsutil* utility: [root@raca1 ~]#...Il y a 7 ans
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Oracle Database 12c Release 2 - Long Identifiers - Prior to Oracle Database 12c Release 2 have a problem with long identifier name, for example, in 11.2 version you cannot create long name (max 30 Bytes) t...
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MySQL Cluster 7.6: The First Milestone - The first Development Milestone Release (DMR) of MySQL Cluster 7.6--7.6.2--is now available! You can see the full changelog for 7.6.2 here. But before we...Il y a 7 ans
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Whoa! Release News for PHP OCI8, node-oracledb, Python cx_Oracle, Instant Client and ODPI-C - I'm just catching up on some releases that happened prior/during my vacation. Here are some things you may have missed tweets on: - PHP OCI8 2...Il y a 7 ans
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Comment acquérir les compétences nécessaires à la transformation digitale lorsqu'on est partenaire Oracle - Notre vie est de plus en plus interconnectée avec nos appareils. Alors que les machines sont de plus en plus intelligentes, l'Internet of Things est appe...Il y a 7 ans
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Oracle VM Features: Distributed Resource Scheduler - One of the handy management features of Oracle VM is the Distributed Resource Scheduler (DRS). DRS lets administrators load balance CPU and network resou...Il y a 7 ans
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IOUG Collaborate 2017 - I have a few presentations scheduled in IOUG Collaborate 2017, Las Vegas. 1. Session: 621: RAC Clusterware internals **Date/time: Mon, Apr 03, 2017 (01:30 ...Il y a 8 ans
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Oracle Database 12c R2 is in General Availability for On-premise Customers - With the announcement of GA for on-premises customers, Oracle Database 12c R2 is now available everywhere-in the cloud, with Oracle Cloud at Customer, an...Il y a 8 ans
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Object oriented logging - It is a very common requirement. You need to be able to log the start and end of procedure and function calls. You also need to log error and exception eve...Il y a 8 ans
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Oracle Database 12c Release 2 is out and with it Docker build files on GitHub - Oracle just released Oracle Database 12c Release 2 for on-premises Linux and Solaris. With the Oracle 12c R2 release Oracle has also released the latest ...Il y a 8 ans
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User-based filters in query zones - whilst developing query zones is relatively well documented, the ability to filter output based on the currently logged on user is less well defined, and...Il y a 8 ans
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Announcing the 2016 PL/SQL Challenge Championship for Database Design - In 2016, 340 people answered 6,185 quizzes in the Database Design quiz on the PL/SQL Challenge. I'm pleased to see so many people taking an interest in h...Il y a 8 ans
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The Relational Data Model - Mid-eighties. I was studying Computer Science. Little did I know back then that this thing called "The Relational Data Model" (RDM) would become huge in th...Il y a 8 ans
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“library cache lock” waits from many concurrent DBMS_JOB.submit() operations - I have faced performance issue on one of production database in banking environment. From AWR report I found that “library cache lock” as the top wait ev...Il y a 8 ans
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Setting up Transport Layer Security/Secure Sockets Layer for Managed ODP.NET - *[I was chatting with ODP.NET product manager, Alex Keh, and he let me know about some known issues that developers currently face when using managed ODP...Il y a 8 ans
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Book on Oracle 12c New features - A Book on Oracle 12c New features for administrators Hi All, It’s our pleasure to announce the availability of our first book – OCP 12c upgrade 1Z0-060 Exa...Il y a 8 ans
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Do you suffer from Storage Stockholm Syndrome? - The last year at DSSD (now a part of Dell EMC) has been an extremely interesting one for me, and I’ve learned a great deal, which is always good. Some of t...Il y a 8 ans
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On issuing commit from database PL/SQL - There was something of a storm on Twitter on 12-Oct-2016. Twitter is a nice medium for, say, showing a photo to your followers or referring them to an in...Il y a 8 ans
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Oracle back-port patches for Adaptive performance issues released for 12.1 (dynamic stats) - Previously I wrote about performance issues with 12.1 Adaptive features, specifically the large number of dynamic statistics checks, usually triggered by t...Il y a 8 ans
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Performance aspects of APEX reports - As this post appears, I'm presenting on this subject for the Dutch Oracle User Group OGh. This blog post won't contain as much detail as the presentation i...Il y a 8 ans
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#doag2016 and we are presenting!! - Portrix Systems will be at #doag2016… and we will be presenting too!! Each day of the conference, members of the Portrix Systems staff will be active! On T...Il y a 8 ans
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Reasons to upgrade to Enterprise Manager 13.2 - Before, during and after the Open World, I have received numerous queries on the release of Enterprise Manager 13.2. This is an important release for *En...Il y a 8 ans
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Favor Skeletal Implementation in Java - Skeletal implementation is a design by which we can use the benefits of the interface and abstract class together. The Java Collection API has adopted th...Il y a 8 ans
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Segment Statistics - rem******************************************************** rem Show Segments with the highest Lock waits rem André Karlsson rem https://www.protractus.com...Il y a 8 ans
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SQLfail? SQLwin! - update sqlfail set last_posting_date = date'2016-08-18'; It’s been a while since I’ve published here. You see, I’ve been kind of busy. Back in January 2015...Il y a 8 ans
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Database Olympics - Training for the Medals? - I will admit, I have been inspired by watching the Olympics. The work, training and even reinventing that the athletes do to be successful at the competiti...
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ORA-00600 [2663], [12], .... - After not having spotted ORA-00600 for a while a new one showed up. ORA-00600: internal error code, arguments: [2663], [12], [3665664941], [12], [38847178...Il y a 8 ans
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The User Experience (UX) Lab: Onsite Usability Testing at OpenWorld - Heading to Oracle OpenWorld? The Oracle Applications User Experience (OAUX) team will be hosting the usability lab at Oracle’s largest conference of the ...Il y a 8 ans
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Critical Patch Update for July 2016 Now Available - The Critical Patch Update (CPU) for July 2016 was released on July 19, 2016 and Oracle strongly recommends applying the patches as soon as possible. A good...
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R12.2 CUSTOM APPLICATION/TOP - STEP1: Download Patch 3636980 “Support Diagnostics (IZU) patch for AD Splice” from My Oracle Support. STEP2: Manually copy the three .txt files from the 36...Il y a 8 ans
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SQL Joins - Codeproject has this image which explains the simple basics of SQL joins, taken from: http://www.codeproject.com/KB/database/Visual_SQL_Joins.aspx
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“ASH math” of time_waited explained with pictures and simulation - As explained by John Beresniewicz, Graham Wood and Uri Shaft in their excellent overview ASH architecture and advanced usage, avg( v$active_session_history...Il y a 8 ans
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zabbix dbsyncers and caching for log items - in version 3.0.1 - I am using zabbix for about a year now and it still has not shown me all power that is inside. One of the things that is very interesting to know more ab...Il y a 8 ans
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RAC Installation Step by Step - Hi All, Please find the below link for RAC installation document for reference. Click here for RAC Installation doc link Cheers, SachinIl y a 8 ans
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Get the Familiar Database You Trust, In the Cloud - With Oracle Database Cloud, you can have up to 3x mirroring of storage for data redundancy, 100% system backup and restore, plus data centers in multiple...Il y a 8 ans
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Moving Sideways - The past two years have seen a lot of change in my life :- - I moved to Singapore thinking it would be for a year or two at least and is now looking ...Il y a 8 ans
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Moving Sideways - The past two years have seen a lot of change in my life :- - I moved to Singapore thinking it would be for a year or two at least and is now looking ...Il y a 8 ans
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Formation Performance Oracle à Genève le 18 mai 2016 - Une journée de formation Performance Oracle est organisée par le Swiss Oracle User Group le 18 mai 2016 à Genève. http://www.developpez.net/forums/blogs/19...Il y a 9 ans
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Help Celebrate One Million Answers at the PL/SQL Challenge! - *Sometime* in the next couple of months, someone will submit the 1,000,000th answer on the PL/SQL Challenge. And Chris Saxon, member of the AskTom Answer...Il y a 9 ans
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Tech15 - Last December I presented at Tech15, the largest Oracle conference in the Europe. Many thanks to the organizing team of this great conference. Here is my p...Il y a 9 ans
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Weblogic and Oracle HTTP Server install with /tmp - Lately I have had to install Weblogic 12.1 and OHS 12.1 on a Linux server in silent mode. Somehow, there was very small space left on the default temporary...Il y a 9 ans
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Denodo Server - Setup & configure Cache Database to MySQL: - *Denodo Server - Setup & configure Cache Database: - Bottlenecks* *Step1: * Install the Denodo Server by clicking the executable and follow the steps wit...Il y a 9 ans
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Client support for WITH using PL/SQL - My employer has been using 12c for about a year now, migrating away from 11gR2. It's fun working out the new functionality, including wider use of PL/SQL. ...Il y a 9 ans
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Restoring and Recovering the Database on a New Host using RMAN - This blog will demonstrate detailed steps to restore a database on New Host using RMAN. You can also use it to move a production database to new host as...
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OCI Client-Side Deployment in 12C - The 12c version has introduced a new features called “OCI Client-Side Deployment Parameters” this feature gives you the possibility to override some OCI pa...Il y a 9 ans
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Moving my blog! - Hi All! I just wanted to let you know I’ve moved my blog to https://me-dba.com I’m going to hide all content from this site as it will be available from th...Il y a 9 ans
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Point In Time Recovery Using Binlog In MySQL-Part 1 - Lets see how we can recover our database or tables using MySQL Binary logs. To avail this feature make sure that BINARY LOGS are enabled in MySQL.Here We ...Il y a 9 ans
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Docker Containers and Delphix Architecture - I use wordpress for my personal blog. Works fine on it’s own. It is just me making a few posts here and there. Occasionally there are problems like an upgr...Il y a 9 ans
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ODI Interface'lerinde çalışma süresiyle ilgili performans iyileştirmeleri - Merhabalar, Bir önceki yazımda ODI Uygulama Performans İyileştirme calısmasına ek olarak ,du yazımdada ODI üzerinden yapılan geliştirmelerde yaşanılan per...Il y a 9 ans
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Oracle Clusterware - Startup (Internals) - It's an long standing post for me to share how the CRS start-up works. Hope every one known with pictorial representation of CRS start-up provided in orac...Il y a 9 ans
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Giúp nam giới điều trị ung thư tinh hoàn bằng nấm lim xanh - Ung thư tinh hoàn là một căn bệnh chỉ xuất hiện ở nam giới liên quan đến chức nắng sinh sản. Căn bệnh này có thể xuất hiện ở bất kỳ độ tuổi nào...Il y a 9 ans
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Mystats utility - A variation on Jonathan Lewis's SNAP_MY_STATS package to report the resource consumption of a unit of work between two snapshots. Designed to work under co...Il y a 9 ans
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Grants to retrieve SQL_MONITOR - A quick post as I have been struggling to get the full list of object level grants to be able to retrieve the output of DBMS_SQLTUNE.REPORT_SQL_MONITOR. 1 ...Il y a 9 ans
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How to Find the Optimal Configuration for Your Virtualized Environment - Thanks to the New York Oracle User Group for allowing me to present and to all who attended for their valuable questions and comments. The presentation sho...Il y a 9 ans
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ACCESSIBLE BY clause versus Function Based Indexes - Oracle introduced the ACCESSIBLE BY clause in 12c to improve the security of subrograms. Basically the scenario is following: Let’s create a tax stored fun...Il y a 9 ans
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DOAG 2015: Best of Oracle Security 2015 - Yesterday I gave my yearly presentation “Best of Oracle Security 2015” at the DOAG 2015 conference in Nürnberg. In this presentation I showed different Ora...Il y a 9 ans
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Things Be-a-Changin' - "OTN Garage" Will be Called "OTN Systems Hub" Very Soon! - Oracle OpenWorld 2015 | OTN Systems Hub Hi Y'all, As I have mentioned a few months ago, the *OTN Garage* name will be changing to *OTN Systems Hub*. Thi...Il y a 9 ans
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Database Link between Oracle Database and SQL Server Database - Here is link of this post Database Link between Oracle Database and SQL Server Database This site moved to dbacatalog.blogspot.com please visit dbacatalog....Il y a 9 ans
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Oracle APEX 5.0.2 now available - Oracle Application Express 5.0.2 is now released and available for download. If you wish to download the full release of Oracle Application Express 5.0.2, ...Il y a 9 ans
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Exadata Upgrade - Hi, Recently we have upgraded our Exadata from 11.2.2.3.2 to 12.1.1.1.2 I am mentioning the steps in brief kindly return to MOS Doc ID 888828.1 for full d...
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Client Connection Fails to Instance on Linux - I faced with a problem which clients were failing to connect to a DB2 instance on linux. To check it out I logged on to the system as root and tried to "s...Il y a 9 ans
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Automation for DBA - Vagrant part 2 - Hello, In the last post I presented steps to create Virtual Machine using Vagrant with Virtual Box. It is a native combination but there are other possib...Il y a 9 ans
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Exadata 12.1.2.2.0 Software is Released - Good new features announced, such as finding Flash Cache and Flash Log statistics on AWR, automatic ASM data redundancy check even shutting down a storage ...Il y a 9 ans
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db file scattered read, db file sequential read & direct read wait events explanation - As Oracle DBA's we come across these wait events in most environments. We will discuss their definitions and see what we can do to reduce them. *db file sc...
Il y a 9 ans -
Fill the Glass Episode 4 with Jorge Rimblas! - Measuring software performance in the real world Featured Speaker: Jorge Rimblas September 11, 2015 | 10:00am–11:00am CST Jorge is your Been There Done Tha...Il y a 9 ans
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Make Your Nominations: Oracle Database Developer Choice Awards - I Did. You Should. Here's the Nomination Form. Here's Why: The Oracle Database Developer Choice Awards celebrate and recognize technical expertise and ...Il y a 9 ans
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Oracle University Provides the Best Test Fests - Oracle University Certification Exams Are once again available at Test Fests at various events. Last year at the TECH14 and APPS14 conferences, the UK Orac...Il y a 9 ans
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Oracle University Provides the Best Test Fests - Oracle University Certification Exams Are once again available at Test Fests at various events. Last year at the TECH14 and APPS14 conferences, the UK Orac...Il y a 9 ans
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Patient-Centered Chronic Care Plan - In January 2015, the Centers for Medicare and Medicaid (CMS) announced a new initiative: Chronic Care Management (CCM). CCM is intended to assist clinici...Il y a 9 ans
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Windows 10 and E-Business Suite - Tomorrow (July 29, 2015) we will see the release of Windows 10 into the wild. PC's all over the world that aren't under "enterprise control" have been si...
Il y a 9 ans -
Frequently asked questions about Nashorn and Node.js - During many of my talks about Nashorn, Node.js on the JVM and related topics, I frequently get asked these kinds of questions and I'd like to try to give s...Il y a 9 ans
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Xeoma Review - I decided to write a CCTV review after our bank mail started to disappear from our mailbox. I have learned quickly that simply purchasing cheap camera won’...Il y a 9 ans
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Oracle E-Business Suite Release 12.2: Technical Planning, Getting Started, and Go-Live Checklist - This link helps you plan your move to Oracle E-Business Suite Release 12.2, providing the following resources: An in-depth Oracle E-Business … Continue rea...Il y a 9 ans
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Printing a large XMLTYPE value using DBMS_OUTPUT - As a sort of primitive debugging-method I wanted to show the contents of an XMLTYPE variable using DBMS_OUTPUT.PUT_LINE. When you want to extract the conte...Il y a 9 ans
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Monitoring Oracle GoldenGate Latency - Today I've implemented an approach to monitor OGG latency. Here I will describe what I've done. *1. Create a table gg_latency in source and target databa...Il y a 9 ans
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Sorry about late approval of comments.... - Just wanted to apologize about the late approval of a couple of comments. I thought I'd approved them but when I got on to do a blog entry I found that t...Il y a 10 ans
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How to Relocate the MySQL Binary Logs to New Location - The binary logs are created in the data directory by default in MySQL Server. To have the binary logs in the data directory is not always the optimal l...Il y a 10 ans
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Another blog on Oracle Standard Edition - Recently I found a blog dedicated on Oracle Standard Edition too. It’s from Ann Sjökvist and it’s available at this URL: http://www.sejustloveit.com/. ...Il y a 10 ans
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New blog to handle the PJC/Bean articles - Here is the link to another place that stores the PJCs/Beans article without adds. http://forms.pjc.bean.blog.free.fr/ FrancoisIl y a 10 ans
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Top Challenges in the Life of an IT Capacity Manager - Let me first confess. I don’t have double-digit years of experience in IT Capacity Management. But I would say, during last 9 years I have defined the proc...Il y a 10 ans
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Oracle Database In-Memory Advisor Released - Oracle Database In-Memory option was released with Oracle Database 12c (12.1.0.2) and the In-Memory Advisor (IMA) has been much awaited since then. The Or...Il y a 10 ans
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Maintaining Tempfile in TEMP Tablespace of PDB$SEED in Oracle 12c (12.1.0.2) - During testing recovery procedures for one of the ongoing projects I wanted to test the "complete disaster" recovery scenario. In this scenario I had to r...Il y a 10 ans
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How To Approach Different Oracle Database Performance Problems - This page has been permanently moved. Please CLICK HERE to be redirected. Thanks, Craig. How To Approach Different Oracle Database Performance Problems J...
Il y a 10 ans -
12c New features - 1.1 Advanced Index Compression Advanced Index Compression works well on all supported indexes, including those indexes that are not good candidates for the ...Il y a 10 ans
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Find it. Fix it. Real-World SQL Tuning Cases - Jan. 13 Webinar Followup - If you missed my January 13th webinar entitled "Find it. Fix it. Real-World SQL Tuning Cases" you can now access the recording and download the presentatio...Il y a 10 ans
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Shifting IT to scale - While some IT groups are fine tuning their practices, many others are still on the journey to achieve greater efficiency at scale. Not all can make this s...Il y a 10 ans
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Continuing the story - One of my 2015 new year's resolutions, was to finish the story I started on this blog. The story being a talk that I had delivered a couple of times 3-4 y...
Il y a 10 ans -
Shrink a datafile, when ALTER TABLESPACE COALESCE is not working. - In a 11.2.0.3 database, we tried to reclaim space from USERS tablespace. We faced a problem. We use the following query to the the end of a particular USERS'...Il y a 10 ans
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No Write Permission on ACFS Mount Point - Last night, I managed to create the ACFS Mount Point after resolving the issue *"ACFS-9459: ASVM/ACFS is not supported on this os version"*. But, after ...Il y a 10 ans
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GoldenGate Active-Active replication using CONFLICTRESOLUTION - *Source* *Target* *Database Version* 11.2.0.4 11.2.0.4 *OS Version* OEL 6 – 64 Bit OEL 6 – 64 Bit *OGG HOME* /u01/GG/training/source /u01/GG/training *Go...Il y a 10 ans
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Oracle encrypted table data found unencrypted in SGA - When data needs to be kept private, or companies are worried about data leakage, then they often choose to store that data in encrypted columns in the tabl...Il y a 10 ans
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How to encrypt the data (tablespace or column's table) using a software keystore previously known as Oracle Wallet - To create a standard Oracle wallet and then add a master key to it you have to follow few basic steps: *1) Configure the sqlnet.ora file to define a file sy...
Il y a 10 ans -
brew install sqlplus - Gee, that didn’t work. For those of you wondering about the title of this post, I’m referring to the brew package manager for Mac OS — a nice utility for i...Il y a 10 ans
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_direct_read_decision_statistcs_driven, _small_table_threshold and direct path reads on partitioned tables in 11.2.0.3 (Part 2) - This is continuation of my last post regarding direct path reads on partitioned tables in Oracle 11.2.0.3. To recap, the behavior I observed is that direc...Il y a 11 ans
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On Error Messages - Here’s a pet peeve of mine: Customers who don’t read the error messages. The usual symptom is a belief that there is just on error: “Doesn’t work”, and tha...Il y a 11 ans
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Step by Step Creating Asm instance and database - Click Add Button Click Next Button Click Next Button Click ide and next Button Size 3gb Click Next Button Click Finish Button Add another one disk 3g...Il y a 11 ans
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Visit and Bookmark the My Oracle Support Blog - Untitled Document [image: MOS Icon] The My Oracle Support Blog continues the "Get Proactive" discussion and covers all topics related to My Oracle Suppor...Il y a 11 ans
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A New Challenge - About two years ago Joyent began offering Linux instances, running under KVM, stored on ZFS, and secured by Zones (“double hull virtualization”). Since the...Il y a 11 ans
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Cluster Definition - In Oracle, *clustering* is a way of ordering the physical placement of tables on a disk drive in such a way as to speed up I/O access times. This is accom...Il y a 11 ans
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Upcoming Events... - I took some time off from the road at the beginning of 2014 - getting ready to get back on the road again, lots of trips scheduled from February till the e...Il y a 11 ans
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How to find out all default values in init.ora? - This small test case shows it. [oracle@node1 ~]$ echo $ORACLE_HOME /u01/app/oracle/product/11.2.0.3/dbhome_1 [oracle@node1 ~]$ cd $ORACLE_HOME/dbs [oracle@...Il y a 11 ans
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Auditing a user in Oracle - Do you need to audit a user in your Oracle database? AUDIT ALL BY JOEUSER BY ACCESS; AUDIT SELECT TABLE, UPDATE TABLE, INSERT TABLE, DELETE TABLE BY JOEU...Il y a 11 ans
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Yeni Blog - Kendime ait blog adresim http://zekeriyabesiroglu.com . Bundan sonraki yazılarımı http://zekeriyabesiroglu.com den takip edebilirsiniz. Teşekkürler.Il y a 11 ans
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User defined locking with DBMS_LOCK - User defined locks with DBMS_LOCKS often brings up unexpected results, especially when it occurs within a mix of transactions in an application layer. Ther...Il y a 11 ans
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12C ADG Enhancements - - *Explain plan now works on Standby* SQL> select database_role from v$database; DATABASE_ROLE ---------------- PHYSICAL STANDBY SQL> selec...Il y a 11 ans
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latency heatmaps in D3 and Highcharts - See Brendan Gregg’s blog on how important and cool heatmaps can be for showing latency information and how average latency hides what is really going on: ...Il y a 11 ans
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oratop from MOS - This is just a pointer post to a tool which I discovered today. It is ORATOP, to monitor databases real time like top of unix flavours. It is pretty much l...Il y a 11 ans
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The ateamsoab2b blogs have been moved to www.ateam-oracle.com - The A-Team has a new web site: The A-Team Chronicles All of our articles and posts from various locations, including this site, have been consolidated th...Il y a 11 ans
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Aggregated Lists: Creating Aggregated List Strings - ListAgg() Function. - Oracle's ListAgg() Function -- Or Other Methods. Given the following sample data shown below, we want to aggregate the elements into a single, comma sep...Il y a 11 ans
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Something for the future - A nice little feature in Oracle Database 12c is to query patching information via SQL. You can do this from SQLPlus or any other SQL interface jdbc/odbc ...Il y a 11 ans
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Some Of Basic Questionnaire For Newly Release Oracle Database 12c - 1) What is an Pluggable database really? Ans-> This is new feature in oracle 12.1 release with respect to database. With this release there is a parent-c...Il y a 11 ans
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How to Move USER_SDO_GEOM_METADATA like a Grandpa - Sometimes moving a small amount of data in Oracle database requires more work than the actual task you need to complete. DBAs always have their tools (PL/S...Il y a 11 ans
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ReUse flag in PeopleSoft AE program – Bind variable issue and its impact on Performance - It has been long since I blogged as I got busy. Personally I became a Father and officially, I moved to PeopleSoft Performance and Benchmark(P&B) team. N...
Il y a 11 ans -
Hotsos 2013 A personal Touch 3/4 – Third Day - After having a good sleep I attended the first session in the morning from George Djerdj Srdanov with a presentation called “How to Get the Most Out of You...Il y a 12 ans
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Little Changed - Incredible and depressing to see people still getting Oracle internals as wrong as this.Il y a 12 ans
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Profile Baselines Patches - Whats the difference … I should have written this one earlier but better late than never. So, lots of DBA’s might me thinking, why oracle has 3 ways to acc...Il y a 12 ans
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Add Code w/ Syntax Highlighting to PowerPoint - …or any media that supports rich text or HTML. I often include code-snippets or queries in technical presentations. I find them much more visually appealin...Il y a 12 ans
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SQL 2008 Active-active cluster on windows 2008 R2 Share storage migration - This is my POC doc before we migrate our production sql 2008 cluster to new storage. it has two parts: first part simply install the cluster on 2 ESX VM im...Il y a 12 ans
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Hash Semi Right Join : Oracle Tuning Tip#27 - *TOPIC:* Hash Semi Right Join *DEFINITION:* As described semi-join in previous forum (Tip#25), a semi-join between two tables returns rows from the outer ...
Il y a 12 ans -
Identify memory leak in Java app - One important advantage of java is programer don't care memory management and GC handle it well. Maybe this is one reason why java is more popular. As J...Il y a 12 ans
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E-Business Suite R12 integration with Oracle Identity Management 11g - After successful implementations of Oracle SSO 10g with Oracle E-Business Suite 11i and R12, I have now completed an installation and implementation of th...
Il y a 12 ans -
GoldenGate error OGG-01755 SQL error: OCI Error 26,723 = ORA-26723 - I was trying to register extract OGG v 11.2 on one of my dev servers GGSCI (tpadldb10.gratiscard.com) 1> dblogin userid srvegate password xxxxx Successfu...Il y a 12 ans
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A secret treasure house of Oracle books - One of the most prolific publishers of Oracle technology and application books - *Packt Publishing *just published its 1000 cover. Packt books are written ...
Il y a 12 ans -
The Two Ways of Doing a Job - Whether it's deployment, development, performance tuning, troubleshooting or something else, there are two fundamentally different ways of doing your job: ...Il y a 12 ans
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A look at System Statistics - - Till 8i Analyze command was used to collect statistics. However Analyse has following Problems : 1).Doesn't support External Tables. 2...Il y a 12 ans
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An introduction to SQL Tuning : Basic Optimizer Operations - An introduction to SQL Tuning : Basic Optimizer Operations. Setup SQL Tuning sample schema 1. Full Table scan 2. Index Fast Full scans 3. Index Full sc...Il y a 13 ans
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Oracle database on IBM Power systems with LPAR - Quite often I have been involved into discussions on Oracle database tuning or best practices for IBM AIX machines especially logically partitioned (LPAR...Il y a 13 ans
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Waiting for “PX Deq Credit: send blkd”? - Occasionally I hear someone talking about how to reduce the waiting time of the event “PX Deq Credit: send blkd”. And it’s not uncommon to also realize tha...Il y a 13 ans
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AUDIT : principes - *Paramètres d'initialisation concernant l'audit :* SQL> col name for a25 SQL> col value for a45 SQL> select name, value from v$parameter where name like '%...Il y a 13 ans
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Edition Based Redefinition Part 3 - This is the third part in a series about the new Edition based Redefinition functionality of Oracle 11gR2. The first two parts are here: Part 1 Part 2 In t...Il y a 13 ans
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Debug mode for MOS - Had an SR in which I learned about a debug mode for FLASH MOS (tried it in HTML, no go *grin*). Hold down the Control key and click on the Oracle My Oracle...
Il y a 13 ans -
OraSRP 4.1.0 - First time I've read about LOBREAD lines in 10046 traces in Vladimir Begun's blog-post dated Jun 2, 2010. I've tried to reproduce such trace in my environm...Il y a 14 ans
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The Last Post... - ...at least here, on this blog as I’ve moved over to blog.lisadobson.com now.I’ve copied all the posts from here across to the new blog, but I will also be...Il y a 14 ans
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Interesting case of the restriction of global hints - One of my colleagues sent following test case, of which he couldn’t control the join order with hints. 1. Create objects – table t1, t2 and t3 2. Now Let’s...Il y a 14 ans
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Materialized View - +++++++++++++++++++++++++++++++++++++ MVIEW refresh Status on MASTER Site : +++++++++++++++++++++++++++++++++++++ set pages 1000 set linesize 180 col SNAPSHO...Il y a 14 ans
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oow 2010 presentation slides - Here are the slides of the presentation I did yesterday: OOW2010 Christian Bilien. The room was full and I noticed a number of people were standing at the ...Il y a 14 ans
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Composite Interval Partitioning isn't as advertised. - Oracle® Database VLDB and Partitioning Guide 11g Release 1 (11.1) Part Number B32024-01 says: Interval Partitioning Interval partitioning is an extensi...Il y a 14 ans
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Quick Tip: Counting Cursors - Counting the number of open cursors in a database instance can be a confusing activity. Perhaps an application has received an "ORA-01000: maximum open c...Il y a 15 ans
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Blog relocation - I've decided to move on from TypePad, and I'm now blogging at www.guyharrison.net/blog (RSS http://guyharrison.squarespace.com/blog/rss.xml ) See you there...Il y a 15 ans
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APP-FND-01564: ORACLE error 31202 in changepassword - We had this issue in our production this morning. Our dedicated sysadmin team were not able to change any user password from frontend. They were receiving ...Il y a 15 ans
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Having more than 4GB of RAM on x86 Linux - When you do some googling on having more than 4GB of RAM on a 32bit x86 Linux system you usually get a lot of responses like: it's not possible, you won't ...Il y a 16 ans
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★ 5 Links from Around the Web (2007-04-10) - Links to interesting, educational, informational, or just plain fun websites...Il y a 18 ans
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Moving to WordPress - Blogger irritates me. Let's see if Wordpress makes me happy. http://oraclesponge.wordpress.com/ I've used the supplied import functionality to move over po...Il y a 18 ans
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Difference between SCN and checkpoint. - SCN and checkpoint: System change number(SCN) is represented with SCN_WRAP and SCN_BASE. Whenever SCN_BASE reaches 4294967290 (2 power 32), SCN_WRAP goes u...Il y a 19 ans
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jeudi 27 juin 2013
mercredi 26 juin 2013
Oracle Database 12c Review :: Finally, a true cloud database
JUNE 26, 2013
Oracle Database 12c review: Finally, a true cloud database
Pluggable databases bring a new level of efficiency and ease to database consolidation, while a wealth of other new features address performance, availability, and more
Interesting article. Read it
jeudi 20 juin 2013
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