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, April 22, 2022

How to set up replication between two postgreSQL servers

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Compared to Oracle, setup of a postgreSQL physical standby database is quite simple. With two identically provisioned posgreSQL 13 server...
Wednesday, April 20, 2022

Oracle vs PostgreSQL replication terminology

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Functionality Oracle PostgreSQL A standby server that can accept connections and serves read-only queries ...
Wednesday, April 6, 2022

Wrappers for pg_dump and pg_restore

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Export: #pg_dump dumps a database as a text file or to other formats. #!/bin/bash export SCRIPT_NAME=`basename $0` export HOST=`uname -n` e...
Tuesday, April 5, 2022

Workaround for Automatic Diagnostic Repository Errors when executing "validate database" through Data Guard Broker

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If you have a Data Guard setup and using the broker, you may see the following error when validating your setup before a switchover: DGMGR...
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...
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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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