Database Administration & Monitoring

SQL Server 2022 Parameter Sensitive Plan optimization

Introduction The Intelligent Query Processing (IQP) feature family is extended with SQL Server 2022.One of the most anticipated features is the Parameter Sensitive Plan optimization. I started to test this new feature. In this post, you will(…)

SQL Server 2022 public preview available

This is a small blog post to share that the SQL Server 2022 public preview is available for download. The Microsoft announcement blog post and a summary of the new feature are available here : Announcing(…)

Helvetia used AWS SCT & DMS to migrate to AWS RDS for PostgreSQL

One of our long term-time customers, Helvetia, successfully migrated on-prem Oracle databases to AWS, not only because of the licenses, but more importantly: to deploy faster, innovate faster, and use the state-of-the-art open source(…)

Installing MySQL InnoDB Cluster in OKE using a MySQL Operator

During previous months, I've had some time to satisfy my curiosity about databases in containers and I started to test a little bit MySQL in Kubernetes. This is how it all began...

How to upgrade Patroni

It's been a while since I wrote the blog post about PostgreSQL 13 and Patroni 2.0. On this blog I received a comment, if it's possible to explain, how to upgrade from Patroni 1.6 to 2.

How to setup a Consul Cluster on RHEL 8, Rocky Linux 8, AlmaLinux 8 part 2

Within the first part I have described the setup of Consul as replacement for ETCD. Here now the setup ob keepalived, haproxy and patroni. The needed packages I have installed within the first part, so let’s start with the(…)

Configure Data Guard between 2 DB Systems with Oracle 21c

By Mouhamadou Diaw In this previous blog, I have configured 2 DB systems with Oracle 21c in an ODA 19.14. Now let’s continue and show how we can configure a Data Guard between these 2 servers.

Configure DB System Oracle 21c in a ODA 19.14

By Mouhamadou Diaw One question we may ask is that if it is possible to deploy an Oracle 21c database in an ODA as the latest version for ODA is actually 19.x The answer is Yes. Since ODA release(…)

How to create an Oracle GoldenGate EXTRACT in Multitenant

Create an EXTRACT process into container database has some specificity : From the CDB$ROOT, create a common user and configure the database to be ready to extract data via GoldenGate: SQL> create user c##gg_admin identified by "*****" default tablespace goldengate(…)

Near Zero Downtime Migration and failback with GoldenGate

Oracle GoldenGate allows to migrate Oracle database with Near Zero Downtime and with failback capability. Near Zero Downtime migration means very minimal application switchover downtime. The failback consists to rollback the migration from 19c to 12c. The goal of this(…)