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 Tuning Queries. Show all posts

Monday, June 11, 2018

How to find the number of times a query has been executed

›

The following query was given to me by an experienced colleague. It shows the number of times different variations of a particular query ha...

Tuesday, December 5, 2017

How to execute and capture an SQL statement in the SMB at the same time

›

An experienced co-worker showed me this neat trick to execute an SQL statement and capture its execution plan in the SQL Plan Management Ba...

Friday, November 3, 2017

Query to search for details about a specific SQL ID in the cursor cache

›

I have plenty of examples that Oracle 12cR1 selects poor execution plans over good ones. This is a recent example from one of my databases...

Wednesday, November 6, 2013

How to find the plan for a particular SQL in the SMB

›

SELECT sql_text,plan_name,sql_handle,creator,origin,created, last_executed,enabled,accepted,fixed,autopurge,module FROM DBA_SQL_PLAN_BASE...

›

Home

View web version

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.

View my complete profile