What is a Rollback segment entry ?

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What is a Rollback segment entry ?..

Answer / manvendra

ROLLBACK SEGMENT OR UNDO SEGMENT IS THE AREA IN UNDO TABLE
SPACE WHERE CHANGED OR NEW UNCOMMITTED DATA RESIDES.

WHEN WE COMMIT, UNDO SEGMENT DATA BECOME UNUSEABLE. BUT IT
STILL RESIDES IN THE UNDO SEGMENT FOR 600 SECONDS.

TO REMOVE THE CONSITANCY ISSUE FROM ORACLE DB.

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What is a Rollback segment entry ?..

Answer / ravi

WHEN WE COMMIT, UNDO SEGMENT DATA BECOME UNUSEABLE. BUT IT
STILL RESIDES IN THE UNDO SEGMENT FOR 900 SECONDS.

it is called undo retention period

Is This Answer Correct ?    3 Yes 1 No

What is a Rollback segment entry ?..

Answer / ravi dutta

this contains the commited and uncommited data stored in
rollback table space prior to 9i. in 9i, it is called as
undo table space.

Is This Answer Correct ?    1 Yes 0 No

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