What is a Rollback segment entry ?

Answer Posted / 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



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is an Oracle Rollback Segment?

860


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?

2455


What are the uses of Oracle Rollback Segment?

877


What is an oracle database schema?

853


What is an Oracle Data Segment?

812


How to define Data Block size in Oracle?

871


What are Oracle Schema Objects?

849


Can a View based on another View in Oracle?

832


What is the function of Redo Log in Oracle?

858


What is an Oracle SYSTEM tablespace and when is it Created?

850


What is an Oracle Data Dictionary?

840


What are the consideration at tehe migration of Oracle 9i to 10G.

2730


What is the use of Oracle Control File?

809


What is an Oracle Data Block?

798


Can a Tablespace hold objects from different Schemes in Oracle?

807