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Diff. between undo & rollback segments?? [message #68386] Fri, 11 July 2003 02:39 Go to next message
sachin kumar gupta
Messages: 157
Registered: March 2003
Senior Member
Hi all,
Can anyone help me !! My question is what is the difference between undo & rollback segment.

Re: Diff. between undo & rollback segments?? [message #68400 is a reply to message #68386] Mon, 21 July 2003 06:23 Go to previous message
Messages: 3
Registered: July 2003
Junior Member
Both will do the same functionality,but in oracle 9i they made it simplify ,because if u are using rollback segments ,u need to put them online in init.ora and u need to take care space management etc.
so in oracle 9i they introduced undo tablespaces on that u can creage undo segments and space management will be take care by oracle managed files ,so its reduces the burden of dba
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