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, July 26, 2017

How to solve "INS-32035: The chosen installation conflicts with software already installed in the given oracle home" when installing into an old directory

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Workaround for the error INS-32035: The chosen installation conflicts with software already installed in the given oracle home from the Ora...
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Automatic startup and shutdown script for Oracle databases on the Linux Platform

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On most installations of the Oracle database, it is desirable to add a script for automatic startup and shutdown. This is how to do it. Th...
Friday, July 14, 2017

Possible solution to unix error "X11 connection rejected because of wrong authentication"

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I was trying to start an X window Application on my server as user Oracle, but received the error oracle@myserver:[testdb01]# xclock X11 c...
Thursday, July 13, 2017

Possible solution to ORA-01450: maximum key length (3800) exceeded when rebuilding an index

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As a part of disabling TDE in a test database, I was moving indexes out of the TDE encrypted tablespace to another, similarly created tables...
Wednesday, July 12, 2017

How to check if Database Vault is enabled or disabled

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To check whether or not the Database Vault option is enabled in your database, run the following query as a privileged user: SELECT paramet...
Tuesday, July 11, 2017

Create a tablespace using input variables

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Here is a script to help set up tablespaces based on the path used for the system tablespace: SET LINES 200 -- NEW_VALUE in sqlplus specifi...
Wednesday, June 7, 2017

Can I decrypt a tablespace that has previously been encrypted? Can I disable TDE?

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Question: Can I decrypt a tablespace that has previously been encrypted? Can I disable TDE? Answer: In versions prior to 12.2, you cannot...
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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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