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About Flashback Technology [message #543273] Mon, 13 February 2012 21:27 Go to next message
justlearner
Messages: 9
Registered: January 2012
Junior Member
Hi All,
when i use flashback technology such as flashback_transaction_query or flashback_transaction_backout,why i need issue 'alter database add supplemental log data' or 'alter database add supplemental log data (primary key) columns'? what are they for?

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Re: About Flashback Technology [message #543277 is a reply to message #543273] Mon, 13 February 2012 22:07 Go to previous messageGo to next message
BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal
Senior Member
why do you desire to read the answer from instead of Reading The Fine Manual
where all such details have been previously published?

It would be helpful if you followed Posting Guidelines - http://www.orafaq.com/forum/t/88153/0/

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Re: About Flashback Technology [message #543301 is a reply to message #543273] Tue, 14 February 2012 01:12 Go to previous message
Michel Cadot
Messages: 68776
Registered: March 2007
Location: Saint-Maur, France, https...
Senior Member
Account Moderator
If you are really a learner then start reading Database Concepts and following the links that are inside it.

Regards
Michel

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