ITPub博客

首页 > 数据库 > Oracle > Oracle OCP 19c 认证1Z0-083考试题库(第7题)

Oracle OCP 19c 认证1Z0-083考试题库(第7题)

原创 Oracle 作者:unix_5359 时间:2021-03-01 14:31:07 0 删除 编辑

Oracle OCP 19c 认证1Z0-083考试题库(第7题)-CUUG整理

7、choose one

You enable Flashback Data Archive for a table for which you want to track and save all transactions for four years. After some time, the requirement changes for keeping transactions from four to two years.

You execute the following command to change the requirement:

SQL> ALTER FLASHBACK ARCHIVE fdal MODIFY RETENTION 2 YEAR;

What is the outcome?

A) All historical data older than two years, if any, is purged from the flashback archive FDA1.

B) An error is returned because the retention period cannot be reduced.

C) All the flashback data archives are purged and the subsequently created flashback archives are maintained for two years.

D) All historical data older than two years, if any, is archived to flashback logs and the flashback archive is set to new retention time.


来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/31544987/viewspace-2760245/,如需转载,请注明出处,否则将追究法律责任。

请登录后发表评论 登录
全部评论
ocp考试资料群:569933648 验证码:ocp OCP 12c 19c考试题库解析与资料群:钉钉群号:35277291

注册时间:2018-07-05

  • 博文量
    270
  • 访问量
    164927