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.
正确答案:C
答案解析:有
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