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The Oaktable

The Oracle ACE Program : My 15 Year Anniversary

Just noticed it’s April 1st, which means it’s my 15th year anniversary of being an Oracle ACE. As usual I’ll mention some of the other anniversaries that will happen throughout this year. read more

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I mentioned on Twitter, I was on a training course last week for a non-Oracle cloud-based database engine. I went into the week feeling quite nervous about things, because I like to learn things at my own pace. Having to work at the same pace as others doesn’t work well for me. I’m quic Lees meer
By Franck Pachot . This post is something I discovered by chance when writing about tagging SQL statement with recognizable comments. We know that Oracle is introducing more and more artificial intelligence and machine learning in the database engine, but here is the first time I see something where Lees meer

31 Mar 2021, 4:20 pm

Impressions from the recent upgrade of a Virtualized ODA version 12.2 to 19.9. This upgrade was expected to be a complex task. There are two possible paths to such an upgrade: re-image or go through 12.2->18.3->18.8->19.8->19.9. While re-imaging ODA is the preferred & recommeneded w Lees meer
Just a quick end of month blog post to give a shout out to Sarah Craynon Zumbrum who posted this on Linkedin a few weeks back. I think this is a wonderful call to action for an extremely worthy reason, so I figured I should read more Lees meer

Oracle-Base

Data Pump Export (expdp) to and Import (impdp) From Cloud Object Stores in Oracle Database 21c

Data Pump supports cloud object stores as a dumpfile location for on-prem installations from Oracle 21c onward.

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This article gives an overview of the Data Pump enhancements in Oracle Database 21c. Lees meer
This article demonstrates how to export data from an Autonomous Data Warehouse (ADW) or Autonomous Transaction Processing (ATP) service on the Oracle Cloud using the expdp utility. Lees meer
Multivalue function-based indexes allow us to index multiple scalar values in JSON documents stored in the JSON data type. Lees meer
This article provides an overview of upgrading an existing PDB to Oracle 21c on the same server using AutoUpgrade Unplug/Plugin. Lees meer

Blogs Oracle.com

RAC SIG Webcast: Oracle Database 12c Release 2 Rapid Home Provisioning and Maintenance

Please join me and the RAC SIG on Wednesday May 17th at 9:00 am PT for a discussion of Rapid Home Provisioning and Maintenance with Oracle Database 12.2.  We'll cover the full feature set available with the 12.2 release and see how it can help you meet today's requirements for maintaining a lar

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Companies have been using workflow and content management for many, many years. In IT we got used to the term Business Process Management (BPM) whenever we spoke of automated process execution. Not so strange since the term BPM was adopted by all the major software vendors and has received a Lees meer
Companies have been using workflow and content management for many, many years. In IT we got used to the term Business Process Management (BPM) whenever we spoke of automated process execution. Not so strange since the term BPM was adopted by all the major software vendors and has received a Lees meer
This is the first of a two-part blog series. It leverages the Oracle Cloud platform (in concert with some widely used open source technologies) to demonstrate message based, loosely coupled and asynchronous interaction between microservices with the help of a sample application (scroll do Lees meer
Performance is a critical aspect of mobile app development and the embedded platform web view is a significant contributing factor to the performance of any hybrid mobile app. Since late 2015, hybrid app developers targeting iOS have been able to include the Apache Cor Lees meer

Amis technology blog

“You have to give a little… scripting for 12c+”

or Publishing a cleanup script for Oracle 12c+ At the moment I’m just for fun collecting Linux scripts from my direct colleagues. And while I was busy to think up a wiki page for internal use, for a moment I felt like Uncle Scrooge, gathering riches from other minds. Which, […] The post

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In this blog I will explain how to generate static HTML pages from your projects Pydoc (docstring) comments with Sphinx. Then we are going to host it in an Azure Web App so that everyone in your team is able to access it. Because we use a Storage Mount, when […] The post Continuous Generation Lees meer
Script to stop the execution of CloudFormation when you made a small error in a custom resource (Lambda function). The post Stop DELETE_IN_PROGRESS when custom resources fail in AWS CloudFormation appeared first on AMIS, Data Driven Blog - Oracle & Microsoft Azure. Lees meer
  preparation for migrating data to Oracle Virtual Private Database Introduction Recently I was part of a team involved in the preparation of migration data belonging to multiple business units into a single Oracle 19c database with Virtual Private Database (VPD). The VPD solution is used for t Lees meer
In this blog post, I will show how you can install the OWASP training tools WebGoat, WebWolf and JuiceShop on your local laptop using Vagrant. The post Play environment for WebGoat, WebWolf and Juice Shop appeared first on AMIS, Data Driven Blog - Oracle & Microsoft Azure. Lees meer

Tanel Poder

Virtual Conference: Troubleshooting Very Complex Oracle Performance Problems

Learn to troubleshoot some of the most complex Oracle performance problems - real life case studies by Tanel Põder I already announced my latest virtual conference in social media, but will write a short blog entry here too (people who are following my blog via mailing list or RSS will get th

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Over the years of troubleshooting performance problems in the Unix/Linux world, I have seen multiple cases where a regularly used command line tool in a customer server just stops working for some reason. The tool just returns immediately, doing absolutely nothing. No output printed, no coredumps an Lees meer
In this video I will present a case study of a complex performance issue where the initial symptoms pointed somewhere else than the root cause. Only when systematically following through the troubleshooting evidence, we get to the root cause of the problem. This session aims to help you understand ( Lees meer
TL;DR: Some Linux distros and even different kernel versions within a distro have disabled IRQ time accounting. In such case, your monitoring tools will report zero time spent in hardware interrupt handlers (shown as %hi, %irq, hiq, etc). It’s easy to check how your kernel is behaving by looki Lees meer
Here’s the High Performance Block IO on Linux hacking session video. It’s based on my recent article about achieving 11M IOPS & 66 GB/s IO on a single ThreadRipper workstation. Enjoy! Towards the end of this video, I also explain how I got up to 11.5M IOPS without having to keep CP Lees meer

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