單項(xiàng)選擇題

Which statement is true regarding the retention policy for the incidents accumulated in the AutomaticDiagnostic Repository (ADR)?（）

A. The incident metadata is purged when the problem is resolved and the DBA closes the SR
B.The incident files and dumps are not retained in the ADR for the manually created incidents
C. The incident files are retained but the incident metadata is purged when the problem is resolved and the DBA closes the SR
D. The default setting is for one year after which the incident metadata is purged from the ADR and the files are retained for one month

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多項(xiàng)選擇題

The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issued the following command:
SQL> ALTER TABLESPACE hi_data BEGIN BACKUP;
Which two statements are true in this scenario? （）

A. No transaction on the tablespace is allowed but you can perform queries.
B. The tablespace will automatically come out of backup mode when the file copy is complete.
C. The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.
D. The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.

多項(xiàng)選擇題

You are managing the APPPROD database as a DBA. You plan to duplicate this database in the same system with the name DUPDB.
You issued the following RMAN commands to create a duplicate database:

Which three are the prerequisites for the successful execution of the above command?（）

A. The source database should be open
B. The target database should be in ARCHIVELOG mode if it is open
C. RMAN should be connected to both the instances as SYSDBA
D. The target database backups should be copied to the source database backup directories
E. The password file must exist for the source database and have the same SYS user password as the target

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Which statement is true regarding the retention policy for the incidents accumulated in the AutomaticDiagnostic Repository (ADR)?（）

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You are managing the APPPROD database as a DBA. You plan to duplicate this database in the same system with the name DUPDB. You issued the following RMAN commands to create a duplicate database: Which three are the prerequisites for the successful execution of the above command?（）

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You are managing the APPPROD database as a DBA. You plan to duplicate this database in the same system with the name DUPDB.
You issued the following RMAN commands to create a duplicate database:

Which three are the prerequisites for the successful execution of the above command?（）