55題、choose two
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 generates lots of redo.
Which two actions would you take to solve this problem?
A) Increase the size of the redo log buffer.
B) Enable undo retention guarantee.
C) Increase the size of the temporary tablespace.
D) Enable Automatic Memory Management (AMM).
E) Enable temporary undo for the database.
Answer：CE
(解析：12c有個針對臨時表的dml操作的解決方案，爲了減少redo的產生和undo表空間的使用，可以啓用臨時undo的功能，這樣子把undo數據存放在臨時表空間。來自3組：1015267481)