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.

Tuesday, March 29, 2022

How to connect via sqlplus with the connect string

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To connect as sys using the entire connect string, use the following syntax: sqlplus /nolog SQL>connect sys@'(DESCRIPTION=(ADDRESS...
Thursday, March 17, 2022

How to solve message from broker Warning: standby redo logs not configured for thread 1 on primary

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DGMGRL> validate database 'proddb01'; Database Role: Primary database Ready for Switchover: Yes Flashback Database...

How to use active database duplication for creating a physical standby

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When you use active database duplication for creating a physical standby database, make sure of the following: 1. keep your pfile used to...
Friday, March 11, 2022

What constitute "default auditing" under Unified Auditing?

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Under Mixed-mode auditing and Pure Unified Auditing, the policies ORA_SECURECONFIG and ORA_LOGON_FAILURES are audited by default. From the...

How to create a partial index on a table in PostgreSQL

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I was asked by one of my customers to advise on how to create an index for a new column called "sk_type", of datatype varchar, wi...

How to use adrci to show all messages related to shutdown and startup of a database

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These commands will give you all messages related to a shutdown and a startup of an oracle database, respectively: adrci> show alert -p...
Thursday, March 10, 2022

How to create a unfied auditing policy that captures logons from privileged users

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By default, only unsuccessful logon attempts are audited by mandatory auditing under Unified Auditing . The policy used for this purpose i...
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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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