【单选题】下列关于筷子的使用礼仪,说法不正确的是( )。
【多选题】Identify two situations in which you can use Data Recovery Advisor for recovery. ()(Choose two.)
A.
The user has dropped an important table that needs to be recovered.
B.
The database files are corrupted when the database is open.
C.
You are not able to start up the database instance because the required database files are missing.
D.
The archived log files are missing for which backup is not available.
【多选题】Which two activities are NOT supported by the Data Recovery Advisor?()
A.
Diagnose and repair a data file corruption offline.
B.
Diagnose and repair a data file corruption online.
C.
Diagnose and repair failures on a standby database.
D.
Recover from failures in the Real Application Cluster (RAC) environment.
【单选题】某电压表盘上标有“20kΩ/V"字样,其意义是:
【多选题】Which three activities are supported by the Data Recovery Advisor?()
A.
Advising on block checksum failures
B.
Advising on inaccessible control files
C.
Advising on inaccessible block change tracking files
D.
Advising on empty password files
E.
Advising on invalid block header field values