OCP-1Z0-053-200题-117题-128

QUESTION 117

You want to track and store all transactional changes to a table over its lifetime. To accomplish this task, you

enabled Flashback Data Archive with the retention of 5 years. After some time, the business requirement

changed and you are asked to change the retention period from 5 years to 3 years. To accomplish this, you

issued the following command:

ALTER FLASHBACK ARCHIVE fla1 MODIFY RETENTION 3 YEARS;

What is the outcome of this command?

A. The command produces an error because the retention period cannot be reduced

B. All historical data older than 3 years is purged from the flashback archive FLA1

C. All historical data is retained but the subsequentflashback data archives are maintained for only 3 years

D. All historical data is transferred to flashback logs and the flashback archive is refreshed to set a new

retention time

Answer: B

同128题：http://blog.csdn.net/rlhua/article/details/19208639

Explanation/Reference:

Section: Flashback Operations & Configuration