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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 Database 21c Installation On Fedora 34 (F34)

This article describes the installation of Oracle Database 21c 64-bit on Fedora 34 (F34).

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This article describes the installation of Oracle Database 19c 64-bit on Fedora 34 (F34). Lees meer
From Oracle 21c onward we can define a password rollover time, which allows us to connect using both the old and the new passwords during the gradual rollover time period. This feature was backported to Oracle 19c in the 19.12 release update. Lees meer
The attention log is a JSON formatted file introduced in Oracle 21c to capture critical events, making it easier to identify events that require action. Lees meer

17 Oct 2021, 2:00 am

This article describes the basic usage of the DBMS_CLOUD package. 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

OCI DevOps–Free Automated Cloud Native Application Deployment to Oracle Cloud

Deployment is a term used frequently and often casually in software engineering. A term that for a long time was a bit cryptic to me. What exactly is deployment and what steps does it entail? Why is it apparently so hard? What help do deployment tools offer? And what is […] The post OCI DevOp

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Your customer has a specific challenge and wants to have it solved by means of software. They ask you as a software/solution architect to advise them on this topic and they want to be able to choose a solution based on your advise by the end of next week (we’re […] The post Product sele Lees meer
WYSIWYG may not be true for all IT systems. What you see may be more than what you actually get. As a Product Owner, you have to be very careful to not deceive yourself. The latest iteration of your product may be shiny and new – but all may not […] The post Scaling [down] the Mountain Lees meer
This year I had to work with a colleague for multiple internal poc’s that we could use to show customers. Together we started thinking about the approach and where to start. We planned to approach it in a Scrum way, but soon landed upon the question where architecture would fit […] The Lees meer
Introduction It is possible in AWS to check if your environment is compliant to your minimum standards. It is also possible to automatically change the environment to make it compliant again. Maybe not in a way that was designed by the developer – but compliant anyhow. Let me give an [… Lees meer

Tanel Poder

Testing The Silk Platform - Hands-On Technical Analysis of High-Performance I/O in the Cloud

Hands-on technical analysis of a novel data platform for high-performance block I/O in the cloud, tested by Tanel Poder, a database consultant and a long-time computer performance geek. Index Background and motivation Architecture and internals of the Silk Platform I/O throughput for table scanning

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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 Lees meer
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

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