Category: ORAdiff

Jan 31

How to get all historical changes on default values of Oracle Database parameters

Whenever we patch, upgrade, or migrate our database server, it is important to track what changes we have between the source/target release or patch level to track any possible regressions. One of the things I've been struggling with for years is how to track all the changes that happen to database parameters (including the underscores). …

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Dec 05

How to check the code of the most important Oracle internal objects without having a database

Sometimes, I have to debug and troubleshoot something, and I see myself in a position where I need to get the dictionary code of internal Oracle objects, and the most common way to do that is using DBMS_METADATA. Let's say, for example, that I need to get the view SQL code for DBA_USERS we had …

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Nov 22

How get the contents of the most important Oracle internal views without having a database

In my daily work, sometimes I see myself in a position that I need to get the vision of an Oracle dictionary table for a specific release. Let's say, for example, that I need to get the list of all parameters we had back in 12.1.0.2 with July 2021 patch applied. Or maybe, what if …

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