试题详情
- 单项选择题 Before a Flashback Table operation，you execute the following command： ALTER TABLE employees ENABLE ROW MOVEMENT； Why would you need this to be executed？（）
A、 Because row IDs may change during the flashback operation
B、 Because the object number changes after the flashback operation
C、 Because the rows are retrieved from the recycle bin during the flashback operation
D、 Because the table is moved forward and back to a temporary during the flashback opertion
- A
关注下方微信公众号，在线模考后查看
热门试题
- Which of the followi
- Examine the SQL sta
- Given the following
- ABC Company&en
- Examine the descrip
- Which background pro
- 数据库必须拥有至少几个控制文件（）
- Which object privile
- Why would̳
- Which two̳
- The user Alice wants
- 在ORACLE客户端网络配置文件中"PO
- Which statemen
- From the
- Examine the&en
- You have table '
- Given： 35.String&en
- In your production
- You are m
- Given: Whatistheres