多項選擇題

You are working on an Oracle Database 10g database. Because of data loss， you decided to perform a Flashback Database operation using the following command：
SQL> FLASHBACK DATABASE TO TIMESTAMP（SYSDATE ？5/24）；
Which two statements are true？（）

A. SYSDATE should not be used with TIMESTAMP.
B. The database must have multiplexed redo log files.
C. The database must be in the MOUNT state to execute the command.
D. The database must be opened with the RESETLOGS option after the flashback operation.
E. The entire database needs to be restored from the most recent backup before the flashback operation.

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單項選擇題

A redo log file is corrupted while the database is open； as a consequence， database operations are stopped because archiving cannot continue. What would you do to solve the problem？（）

A. clear the redo log group
B. perform redo log file import
C. perform an incomplete recovery
D. perform a redo log recovery using Recovery Manager （RMAN）
E. shut down the database and open the database in the NOARCHIVELOG mode

單項選擇題

On Tuesday， a junior DBA dropped an important application user account， whose schema has important tables. You are asked to recover all the objects in the schema. On investigation， you find that the user account was dropped at 11：00 a.m. and Sunday’s backup is the most recent backup.Which flashback feature would you use？（）

A. Flashback Drop
B. Flashback Table
C. Flashback Database
D. Flashback Version Query
E. Flashback Transaction Query

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You are working on an Oracle Database 10g database. Because of data loss， you decided to perform a Flashback Database operation using the following command： SQL> FLASHBACK DATABASE TO TIMESTAMP（SYSDATE ？5/24）； Which two statements are true？ （）

你可能感興趣的試題

A redo log file is corrupted while the database is open； as a consequence， database operations are stopped because archiving cannot continue. What would you do to solve the problem？（）

You are working on an Oracle Database 10g database. Because of data loss， you decided to perform a Flashback Database operation using the following command：
SQL> FLASHBACK DATABASE TO TIMESTAMP（SYSDATE ？5/24）；
Which two statements are true？（）

A redo log file is corrupted while the database is open； as a consequence， database operations are stopped because archiving cannot continue. What would you do to solve the problem？（）