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Impact of Updating a Row Using a PL/SQL Record Type
Before I talk about the topic of this post I’d like to demonstrate a bit of obvious information just to get it in the forefront of your mind. First off we create a test table holding 5000 records....
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Ad-hoc Users and Undo Usage
Here is a quote from the Oracle Documentation about V$UNDOSTAT.MAXQUERYLEN: MAXQUERYLEN NUMBER Identifies the length of the longest query (in seconds) executed in the instance during the period. You...
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NOLOGGING in numbers
Hi All I have made small investigation about redo generation. From early days of my career I was remember that nologging operation is very performance effective but never try to quantify this very....
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