Easy Life,Easy Way

1.Your database is running under automatic undo management and the UNDO_RETENTION parameter is set to 900 sec.
You executed the following command to enable retention guarantee:
ALTER TABLESPACE undotbs1 RETENTION GUARANTEE
What efeect would this statement have on the database?
A – The extents in undo tablespace retain data until the next full database backup.
B – The extents containing [...]