Minimalistic Oracle

Minimalistic Oracle contains a collection of practical examples from my encounters with Oracle technologies. When relevant, I also write about other technologies, like Linux or PostgreSQL. Many of the posts starts with "how to" since they derive directly from my own personal experience. My goal is to provide simple examples, so that they can be easily adapted to other situations.

Friday, August 23, 2024

How to cleanup temporary tablespaces in a PDB and create new ones in the right location

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Notice how temporary tablespace groups can be used instead of directly referencing the temporary tablespace name: alter session set contai...

Our solution to ORA-00600: internal error, arguments: [kkmmctbf:bad intcoln]

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We were facing a problem in one of our databases with jobs that stopped immediately after attempting to start, and then aborting their respe...
Wednesday, August 7, 2024

How to find a failed job in the data dictionary tables

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My adrci output showed a failed job (abbreviated): ADR Home = /u01/oracle/diag/rdbms/mydb01/mydb01: *************************************...
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Workaround for ORA-65011: Pluggable database does not exist in an EBS environment

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If you have upgraded an EBS database to Oracle 19c, you will also have migrated to the multitenant architechture, which is required. Durin...
Monday, July 22, 2024

Syntax for flashback database to a specific timestamp using sqlplus

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flashback pluggable database PDB1 TO timestamp to_timestamp('2024-07-22 15:12:01', 'YYYY-MM-DD Hh24:MI:SS');
Friday, July 19, 2024

What do do if SET SERVEROUTPUT ON doesn't work

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If you have an anonymous piece of pl/sql code and you have turned on serveroutput, like this: set serveroutput on You may need to enable...

How to check if your PostgreSQL server is part of a replication setup

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If the server is down, check the entries in postgresql.auto.conf. The following postgres.auto.conf is from a slave server: wal_level = ...
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About Me

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Name: Vegard Kåsa
My career as an Oracle DBA startet in 2001, when I acceptet a request to take on the responsibility as my current employer's DBA. From that point and onwards, managing Oracle databases has kept me busy and engaged. I enjoy my work, and particulary appreciate the constant learning and devlopment that comes with the job. From 2014, I am self-employed through my company Oric Consulting AS (Norway), and from 2024 Oric Consulting AB (Sweden) I currently live in Göteborg, Sweden, with my family.
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