Additional redo for supplemental logging at table level

  • From: "Hameed, Amir" <Amir.Hameed@xxxxxxxxx>
  • To: <oracle-l@xxxxxxxxxxxxx>
  • Date: Thu, 22 Dec 2011 12:57:49 -0500

Hi,
I would like to know if anyone has done any testing on how much
additional redo is generated if supplemental log groups are created on
tables. I know that it will depend on the number of columns in a log
group, column size, data type, etc., but I just want to get an idea
about generally how much additional information (in terms of %age) is
generated for DML statements.

 

Any feedback will be appreciated.

 

Thank you

Amir

 


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