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Patching ODA HA from 19.10 to 19.17
In this blog I am describing an ODA HA (serveroda1 and serveroda2) patch from 19.10 to 19.17. The process is the same that patching a non-HA ODA. Few tasks may need to be done on both servers,...
View ArticleConverting from Unix timestamps to “real” timestamps in PostgreSQL
Recently we’ve been asked how an application can be changed from using Unix timestamps to PostgreSQL timestamps. It is still not so uncommon to store dates and times in numeric data types, but if you...
View ArticleChatGPT vs Oracle DBA
Introduction Oracle database and ChatGPT come from different galaxies. On one hand, a 45-year-old piece of software that needs experts to setup, configure and maintain, but runs millions of critical...
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VMware Tanzu Kubernetes: Introduction
Welcome in the world of managed Kubernetes! You’ve probably click or found this blog searching for more informations on Tanzu. Probably also because full or part of your infrastructure is managed with...
View ArticleA brief history of data quality or – the birth of OMrun. Part 1: Complexity...
It all started more than 15 years ago when the core business of OMIS AG (the previous owner of OMrun) was consulting services. At this time, senior consultant and CIO Frank Zeindler was engaged in a...
View ArticleContainers for Developers
As I am working on developing a component for YaK, I have to stick to standards on how to write code in Ansible as well as many other constraints regarding security. I always thought of docker being a...
View ArticleHashicorp Vault. Install and quick first configuration
Introduction Keeping and using passwords in scripts is often an overlooked task, at least in the initial stages of development.This behavior poses serious security problems, and quite often,...
View ArticleA brief history of data quality or – the birth of OMrun. Part 2: Turning...
Imagine a meeting room (pick the one without windows…) with +25 application managers lined up around one big table. One after the other, they would report the status of their project with focus on the...
View ArticlePostgreSQL 16: reserved_connections
The maximum number of connections that PostgreSQL will allow, is controlled by the max_connections parameter. By default this allows a maximum of one hundred connections: postgres=# show...
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SQL Server: Heap page deallocation and IndexOptimize
Introduction HEAP tables are a type of data structure that, unlike a clustered index table, does not have a specific ordering of its rows, making them faster to insert and delete data. They are often...
View ArticleConfiguring a SMTP relay on Oracle Linux Server v8
For some internal DMK (https://www.dbi-services.com/fr/produits/dmk-management-kit/) development I had to configure a SMTP relay on my VM. Purpose of the SMTP relay is to send the email locally from...
View ArticleHow to submit a talk for a conference
I already did some talks at conferences and I had already the honor to select talks for a conference. During this talk selection I found some excellent examples on how to do to a proposal, but...
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Upgrade OEM 13c from R4 to R5
Upgrading Enterprise Manger Cloud Control can be tricky. In this blog I am describing an upgrade I did for a client. The source version is OEM13c R4 And the target version will be EM13c R5 Before...
View ArticleDeploying 11.2.0.4 on a recent ODA
Introduction 11gR2 should be retired now, and there is normally no need to deploy a new database using this version anymore. But in the real world, you may need to do that for some reasons. 11gR2 is...
View ArticlePatching WebLogic with Stack Patch Bundle (SPB)
Oracle delivers patches for WebLogic every 3 months. These Critical Patch Updates (CPU) are often composed of multiple patches which makes even more steps to have them installed on server: Download...
View ArticleSEHA on ODA?
SEHA means Standard Edition High Availability. SEHA is fully integrated with Oracle Grid Infrastructure starting with Oracle Grid Infrastructure 19c, and more specifically since RU 19.7. SEHA provides...
View ArticleOCI : How to change VCN Name?
Starting my first experience with Oracle Cloud Infrastructure, I played with my lab and wanted to change my VCN name. I thought it might be more than easily with the Web Console, but could realise...
View ArticleA generic jdbc tester (part I)
I was recently working on the re-configuration of an existing OpenText Documentum content server’s docbase (a docbase is like a database but for documents). Documentum docbases store the documents’...
View ArticleA quick repository creation utility (part II)
This is part II of the article, see Part I here The global_parameters file Here is an example of this file: dbi services. Besides the location of the software packages and installation directory, this...
View ArticleA generic jdbc tester (part III)
This is part III of the article. See Part I and Part II. Firebird First, let’s install the JDBC drivers for Firebird: $ wget...
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