Database Administration & Monitoring

PostgreSQL 15: More flexibility with setting parameters

Another nice feature just made it into PostgreSQL 15: You can now control who is allowed to set specific parameters. This gives you a lot more flexibility, especially when you are hosting PostgreSQL instances for your customers. You can delegate(…)

Extract all DDL from an Oracle database

Introduction Extracting DDL is sometime useful for creating similar objects in another database without data. Basically everything can be extracted from a running Oracle database. The needs My customer asked me to replicate a database without any data. The goal(…)

Active Duplicate from standby database

By Mouhamadou Diaw Generally we do active duplicate from primary database, but I think it should be fine to see what happen if we do active duplicate a database from a standby database. So, I do some tests and I(…)

Upcoming RHEL 9

This Blog is about a setup of RHEL 9 BETA and changes to RHEL 8 and Fedora 34 which is the base of RHEL 9. Let’s start with the setup. Start the installation. Preview warning:(…)

PostgreSQL client only installations from source code

During our PostgreSQL DBA Essentials workshops we install PostgreSQL from source code. We do that, to provide the participants all the options they have. There is nothing wrong with using a packaged distribution of PostgreSQL, don't get(…)

How to solve Stored Procedure parameter sniffing problems

Since Tuesday, I have the chance to follow the SQLBits 2022 conference. Sadly, I have to do it remotely this year but I promise next time I will come in-person 😉 SQLBits is one of the largest(…)

Oracle 21c Broker : Fast-Start Failover Callout Scripts in Action

By Mouhamadou Diaw With Oracle 21c (In fact Oracle 20c), we have a nice new feature with the broker which is the Fast-start Failover Callout Configuration scripts. I talked about this feature in some presentations I did about the(…)

How to setup a Consul Cluster on RHEL 8, Rocky Linux 8, AlmaLinux 8 part 1

This blog describes the setup of a Consul Cluster on RHEL 8 and clones, it will be the base for a Patroni HA setup using RPM Packages from postgresql.org. Many Patroni setups are using ETCD, but ETCD is not(…)

Patch 19.14 is out for ODA: new features and how to apply

Introduction Patch 19.14 is now available on Oracle Database Appliance. It’s time to test it. What’s new? This version brings January’s PSU to database and grid homes with their bug fixes, as usual. It also brings latest 21.5 but only(…)

ODA 19.13: odacli update-dbhome raises DCS-10001 and PRGH-1153

Introduction While patching ODAs from 19.10 to 19.13, the update-dbhome could fail if some databases inside this dbhome are stopped or only mounted. Job would then stop with a DCS-10001:Internal error encountered: PRGH-1153 : RHPHelper call to get runing nodes(…)