Interested to Buy Any Domain ? << Click Here >> for more details...
What is a Rollback segment entry ?
- 3 Answers
- 8067 Views
- TCS, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
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.
| Is This Answer Correct ? | 2 Yes | 0 No |
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 |
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 |
What is the function of Dispatcher (Dnnn)?
How free extents are managed in Ver 6.0 and Ver 7.0 ?
What is Database Buffers ?
What is use of Rollback Segments In Database ?
What is the maximum size of a oracle9i database?
How does Space allocation table place within a block ?
What is the maximum number of Lock Processes used?
Why query fails sometimes ?
What are disadvanteges of having raw devices ?
How to calculate the approximate size of the SGA based on the size of the block,shared_pool,redo_buffer_cache and db_buffer_cache?
What is the role of PCTFREE parameter is Storage clause ?
How will you monitor rollback segment status ?
Oracle General 
