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.

Monday, November 4, 2013

What is mandatory auditing?

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Oracle Database always audits certain database-related operations and writes them to the operating system audit files. It includes the act...

What is Row Movement and how is it used?

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When you add the clause "enable row movement" to a create table statement, you are giving Oracle permission to change the ROWIDs ....
Sunday, November 3, 2013

How to audit ALTER TABLE statements on a specific table

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Enable auditing on specific table: AUDIT ALTER ON SCOTT.T1; Verify that the object is being audited: SELECT OBJECT_NAME,OBJECT_TYPE,ALT F...
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How to use flashback table

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Use a point-in-time in the past: FLASHBACK TABLE SCOTT.EMP TO TIMESTAMP TO_TIMESTAMP('09-12-2008 14:00:00', 'DD-MM-YYYY HH24:M...
Friday, November 1, 2013

How to create a consistent dump set using expdp

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Use the FLASHBACK_TIME or FLASHBACK_SCN directives. The simplest approach: FLASHBACK_TIME="to_timestamp(to_char(sysdate,'ddmmyy...

How to audit CREATE SESSION

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Audit all session connecting to the database: audit create session [ whenever successful | not successful ]; To audit sessions created b...

Can you revoke all object privileges from a role in one go?

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Answer: No. The closest shortcut you get is to revoke all privileges per object from a role. Example: REVOKE ALL ON SCOTT.T1 FROM TEST...
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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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