单选题You are managing an Oracle Database 11g database with this backup strategy： - Every Sunday night， level 0 backup is performed. - On Monday night and subsequent days， level 1 incremental backup is performed. The backups are not cumulative incremental
题目
单选题
You are managing an Oracle Database 11g database with this backup strategy： - Every Sunday night， level 0 backup is performed. - On Monday night and subsequent days， level 1 incremental backup is performed. The backups are not cumulative incremental. Which statement about Monday’s backup is true（）
A
The backup contains all the used blocks.
B
The backup contains all the used and unused blocks.
C
The backup contains blocks that have changed since the last level 0 backup.
D
The backup contains blocks that have changed since the last level 1 backup taken last week.