Your database supports an online transaction processing (OLTP) workload in which one of the applications
creates a temporary table for a session and performs transactions on it. This consumes a lot of undo
tablespace and is affecting undo retention.
Which two actions would you take to solve this problem?
A.
Enable temporary undo for the database.
B.
Enable undo retention guarantee.
C.
Increase the size of the redo log buffer.
D.
Enable Automatic Memory Management (AMM).
E.
Increase the size of the temporary tablespace.
ans a,e?
Ans – A and E
Refer section 16.7 in the link
https://docs.oracle.com/database/121/ADMIN/undo.htm#ADMIN13741
Refer section 16.7
thank you!