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.

Wednesday, June 30, 2021

How to deal with ORA-01110 during export

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If you receive errors like this during data pump export ORA-01187: cannot read from file because it failed verification tests ORA-01110:...

Monday, June 28, 2021

How to add an ADO compression policy to a table partition

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ADO (Automatic Data Optimization) is one component of the Oracle 12c ILM (Information Life Cycle Management) solution. For ADO to work, ac...

Friday, June 25, 2021

utlu122s.sql is replaced from version 19c

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During upgrades, you will notice that any old script that you've assembled to upgrade 12c and 18c databases, will break when they try ...

How to purge tables from the shared pool

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Tables cannot be directly purged from the shared pool using the dbms_shared_pool package. Instead, cursors refering to the table can be pu...

Wednesday, June 23, 2021

How to list index sizes

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For non-partitioned global indexes in a specific schema: select i.index_name, s.tablespace_name,round(sum(bytes)/1024/1024/1024) "GB...

Thursday, June 17, 2021

How to list partitions and their LOB segment sizes

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SELECT ts.table_owner "owner", ts.table_name "table name", s.SEGMENT_NAME "segment name", ...

How to generate dbms_application_info settings together with DDL in a sql script

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Many DBAs forget to incoporate usage of dbms_application_info into their own scipts. This is particulary important if you start long-runni...

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About Me

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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