OCP考试052考题：1Z0-V8.02-第32题

OCP考试052考题：1Z0-V8.02-第32题，完整题库请点击这里联系老师咨询了解

32. Your database instance is running with full workload after database creation. You have decided to use

a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo

tablespace.

Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undo

tablespace? (Choose two.)

A.the retention period to support flashback

B.the expected length of the longest-running query

C.the number of undo tablespaces in the database

D.the size of the Flash Recovery Area for the database instance

Answer: AB

答案解析：此题考的是，在固定大小的undo表空间，使用undo advisor来估算指定的还原保留时间所需要的还原表空间大小。