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.

Thursday, November 16, 2017

Basic compression, advanced compression, HCC - an overview

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Basic Compression: Basic compression was released in Oracle 9iR2.It is part of the Enterprise Edition and comes at no extra licencing cos...
Wednesday, November 15, 2017

How to find the number of full table scans

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From the Oracle Documentation : The view DBA_HIST_SEG_STAT view displays historical information about segment-level statistics. This vie...

How to purge objects from the recycle bin

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sqlplus / as sysdba purge dba_recyclebin; --> purges all recyclebin objects, globally purge tablespace user_data user scott; --> purg...
Tuesday, November 14, 2017

What is the Adaptive SQL Plan Management introduced in Oracle 12c?

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By "Adaptive SQL Plan Management", Oracle is referring to a new autotask that is executed every night during the maintenance win...
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Sunday, November 12, 2017

How to find the time for the last system reboot on your linux server

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# who -b system boot 2017-11-10 01:23
Wednesday, November 8, 2017

How to use ROWTYPE to fetch entire rows for insert into an interim table

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Here is how I used a PL/SQL record to insert rows from a table into an interim table, using parallel slaves and direct path: alter session ...
Friday, November 3, 2017

What is the difference between a bind-sensitive and bind-aware cursor?

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The terms "bind-sensitive" and "bind-aware" are used when explaining Oracles Adaptive Cursor Sharing (ACS) feature. Ad...
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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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