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optimizermagic.blogspot.com | ||
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oracle-randolf.blogspot.com
Why attend this workshop? The Oracle database offers various tools that can be used to measure performance - in this hands on workshop you w... |
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www.bobbydurrettdba.com
We have been discussing query tuning at work and I've come back to an example of the Oracle optimizer choosing the wrong plan due to an error in its calculation of the number of rows returned... |
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antognini.ch
[AI summary] A collection of technical blog posts discussing Oracle Database performance tuning, troubleshooting, query optimizer features, and script updates for various database versions. |
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dbamarco.wordpress.com
I just had some fun with Oracle 12c PDBs and snapshot clones. In the alert.log I found some unexpected errors "ORA-01157: cannot identify/lock data file XX". The file was part of a PDB which I used for testing. So I investigated that and found the file which was pretty small. So my assumption was that... |
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