What is a Rollback segment entry ?
- 3 Answers
- 6693 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 |
How many Dispatcher Processes are created?
Diference between Oracle 9i and 10G.
What is the function of checkpoint(CKPT)?
What is hit ratio ?
What is a Rollback segment entry ?
When Does DBWR write to the database?
What is an Oracle SYSTEM tablespace and when is it Created?
What is the role of PCTFREE parameter is Storage clause ?
What is PGA?
What do Redo Log Buffers contain?
What is the function of Redo Log in Oracle?
What is the maximum size of a oracle9i database?
Oracle General 
