Database Administration & Monitoring

Remove grant to public in Oracle databases

CIS recommendations The Center for Internet Security publishes the “CIS Oracle database 19c Benchmark” with recommendations to enhance the security of Oracle databases. One type of recommendations is to remove grant execute to public (chapter 5.1.1.1-5.1.1.7 Public Privileges). There(…)

PostgreSQL 19: pg_plan_advice

In our performance tuning workshop, especially when attendees have an Oracle background, one question for sure pops up every time: How can I use optimizer hints in PostgreSQL. Up until today there are three answers to(…)

Commercial PostgreSQL distributions with TDE (3) Cybertec PostgreSQL EE (1) Setup

In the lasts posts in this series we’ve looked at Fujitsu’s distribution of PostgreSQL (here and here) and EnterpriseDB’s distribution of PostgreSQL (here and(…)

Reading data from PostgreSQL into Oracle

Usually the requests we get are around getting data from Oracle into PostgreSQL, but sometimes also the opposite is true and so it happened recently. Depending on the requirements, usually real time vs. delayed/one-shot, there are several options when you(…)

PostgreSQL 19: pg_dumpall in binary format

One of the limitation of pg_dumpall up to PostgreSQL version 18 is, that you can only dump in text mode. While pg_dump can dump in various formats (plain,custom,tar and directory) since ages.

Monitoring PostgreSQL on Windows with PgHero and Docker

I know, I know, PostgreSQL usually feels more at home on Linux. But guess what? PgHero works just fine on Windows too, and I gave it a try myself. If you’re running PostgreSQL in a Docker container, this setup is(…)

Oracle Grid Infrastructure 26ai/ ASM upgrade from 19c one node.

This is second part of 26ai migration blog. We will upgrade here one node Clusterware with ASM in 19c. We will use newest 23.26.1 GoldImages from oracle support. This tutorial showing main steps how to perform upgrade, its not procedure(…)

Database upgrade to AI Database 26ai (23.26.1) for Linux x86-64 upgrade from 19C in 3 steps using gold images.

This tutorial showing simple database upgrade to 26ai using traditional method and autoupgrade tool, For operational databases please properly test and plan your upgrade. https://docs.oracle.com/en/database/oracle/oracle-database/26/fppad/upgrading-oracle-database-software.html This is one from 3 Articles related to 26.1 upgrade: Database upgrade(…)

Commercial PostgreSQL distributions with TDE (2) EDB Postgres Extended Server (2) TDE

In the last post we’ve looked at how you you get EDB Postgres Extended server installed on your system. In contrast to the version provided by Fujitsu, TDE needs to be enabled when you initialize a(…)

Commercial PostgreSQL distributions with TDE (2) EDB Postgres Extended Server (1) Setup

We’ve already briefly looked at Fujitsu Enterprise Postgres (here and here) when it comes to TDE (Transparent Data Encryption) in PostgreSQL. In this and the next post we’ll look at(…)