试题详情
- 单项选择题You issued the following command： ALTER DATABASE ENABLE BLOCK CHANGE TRACKING； What will be the result of issuing this command？（）
A、 The block change tracking feature is enabled， and the information about the system change number is written in the change tracking file.
B、 The block change tracking feature is enabled， and the information about the log sequence number is written in the change tracking file.
C、 The block change tracking feature is enabled， and the information about the blocks that are changed since the last backup is written in the change tracking file.
D、 The block change tracking feature is enabled， and the information about the locations of the datafiles and the online redo log files are written in the change tracking file.
- C
关注下方微信公众号，在线模考后查看
热门试题
- Which type of backup
- Select ‘accp’ from d
- Which is an iSQL*Plu
- Your database&
- If you i
- Your database&
- Which SQL statement
- 在SQL*PLUS中显示数据库例程的内存
- You want
- You want
- By mistake，&en
- What are the prerequ
- Examine the query an
- 为了启动Oracle数据库实例，Orac
- 在Oracle中，可用于提取日期时间类型
- A bitmap
- Which statemen
- Evaluate this SQL s
- Which two̳
- Which two̳