你可能感興趣的試題

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.

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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View the Exhibit and examine the Flashback Database architecture. Identify the missing component （shown with a "？"） in the Flashback Database architecture.（）

你可能感興趣的試題

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？ （）

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View the Exhibit and examine the Flashback Database architecture.
Identify the missing component （shown with a "？"） in the Flashback Database architecture.（）

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？（）