單項選擇題

View the Exhibit to examine the output for the CROSSCHECK BACKUP command.
Which statement is trueabout the output of the command（）

A.The backup piece is expired as the new backup is available.
B.The backup piece is expired because the operating-system file was not found.
C.The backup piece is expired because the retention period for the backup has expired.
D.The backup piece is expired because the backup set to which it belongs is not complete

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單項選擇題

View the Exhibit to examine the error that occurred during the database startup. You opened an RMAN sessionfor the database. To repair the failure， you executed the following command as the first RMAN command：RMAN>REPAIR FAILURE；
Which statement describes the consequence of this command（）

A.The command performs the recovery and closes the failure.
B.The command only displays the advice and the RMAN script required for recovery.
C.The command executes the RMAN script to repair the failure and remove the entry from the AutomaticDiagnostic Repository （ADR）.
D.The command produces an error because the ADVISE FAILURE command was not executed before the REPAIR FAILURE command

多項選擇題

Examine the following output：
SQL> SELECT index_name，status FROM dba_indexes WHERE status=’UNUSABLE’； INDEX_NAME STATUS------------------------------ -----------
EIND UNUSABLE
Which two statements about the above index are true（）

A.It is ignored by the query optimizer.
B.It is not used while the index is being rebuilt.
C.The index cannot be rebuilt， and has to be re-created.
D.The index is automatically rebuilt when used the next time

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View the Exhibit to examine the output for the CROSSCHECK BACKUP command. Which statement is trueabout the output of the command（）

你可能感興趣的試題

Examine the following output： SQL> SELECT index_name，status FROM dba_indexes WHERE status=’UNUSABLE’； INDEX_NAME STATUS------------------------------ ----------- EIND UNUSABLE Which two statements about the above index are true（）

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View the Exhibit to examine the output for the CROSSCHECK BACKUP command.
Which statement is trueabout the output of the command（）

Examine the following output：
SQL> SELECT index_name，status FROM dba_indexes WHERE status=’UNUSABLE’； INDEX_NAME STATUS------------------------------ -----------
EIND UNUSABLE
Which two statements about the above index are true（）