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, September 28, 2018

How to work around ORA-38338: incorrect ILM policy scope for row-level ADO policies

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When adding an ADO policy on a table, like this: CREATE TABLE TEST_TABLE1 ( col1 NUMBER(38), col2 NUMBER(38), col3 DATE ) NOCOMPRES...
Monday, September 24, 2018

How to deinstall an old oracle installation using oui

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You can use the following command to remove an obsolete oracle software installation from the central inventory: $ORACLE_HOME/oui/bin/runIn...
Friday, September 21, 2018

Parameters that can be removed after upgrade to 12.2

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From Information For Parameters _upgrade_optim and _upgrade_capture_noops (Doc ID 2182783.1): Below parameters gets added after upgrade t...
Thursday, September 20, 2018

How to load a plan from the AWR into the SMB

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To load a plan found in an AWR snapshot into the SMB, you need to add it to an STS first, then load it into the SMB. Here is how: 1. cre...

How to drop an STS

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exec dbms_sqltune.drop_sqlset ('mysts');

Yet another example on how to create and populate an STS

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Here is how to create an STS and populate it with SQL statements matching a particular SQL ID: exec dbms_sqltune.create_sqlset(sqlset_name...
Tuesday, September 18, 2018

How the DBTIMEZONE is set in an Oracle database

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A customer wanted me to look into why his two databases running the exact same application code were returning different time zones. sele...
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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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