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.

Showing posts with label Database Diagnostics. Show all posts

Thursday, February 25, 2016

How to enable and disable Automatic SQL tuning

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Enable: BEGIN dbms_auto_task_admin.enable(client_name => 'sql tuning advisor', operation => NULL, window_name => NULL); EN...

Thursday, January 7, 2016

How to join v$database with v$instance

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Here is a useful query which displays basic information about the database, using v$database and v$instance. Take the opportunity to calcul...

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Monday, March 17, 2014

What are AWR and ADDM and how are they related?

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In Oracle 10g, one of the major changes to the database was the AWR and the ADDM. AWR (Automatic Workload Repository) Purpose: To collect...

How to find the AWR snapshots currently available in the database

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SET LINES 100 PAGES 999 SELECT SNAP_ID,SNAP_LEVEL, TO_CHAR(BEGIN_INTERVAL_TIME, 'dd.mm.yy hh24:mi:ss') "Starttime" FROM D...

Wednesday, November 6, 2013

How to use the dbms_explan.display_awr function to find the execution plan of a query in the AWR

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set linesize 200 set pagesize 0 select * from table (dbms_xplan.display_awr( '44snxh96pfuxb',1084138060,null, 'TYPICAL')); ...

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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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