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oralytics.com | ||
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chandlerdba.com
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| | | | | October 2024 - Oracle 19C, 23ai Photo by Julius Drost on Unsplash So a while ago I spoke about passwords but forgot to mention a key element of account control in the blog. I was giving a talk on Security a few days ago and told an audience member that this information was in my... | |
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dbamarco.wordpress.com
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| | | | | 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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hourim.wordpress.com
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| | | | | I like very much Tanel Poder snapper and Carlos Sierra SQLTXPLAIN. They represent valuable performance diagnostic tools. Unfortunately I am still waiting to find a customer site where I will be allowed or granted necessary privileges to install and to use them. There are client sites where I have been asked to tune queries without... | |
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jonathanlewis.wordpress.com
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| | | I have mentioned transitive closure in the past, and the commentson this blog item go into some depth about some of the effects of transitive closure. However, arecent incoming link has prompted me to point out a couple of further details about the appearance (or non-appearance) of transitive closure. We start with three (virtually) identical... | ||
