單項(xiàng)選擇題

Before a Flashback Table operation, you execute the following command:
ALTER TABLE employees ENABLE ROW MOVEMENT;
Why would you need this to be executed?（）

A. Because row IDs may change during the flashback operation
B. Because the object number changes after the flashback operation
C. Because the rows are retrieved from the recycle bin during the flashback operation
D. Because the table is moved forward and back to a temporary during the flashback opertion

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多項(xiàng)選擇題

Which three types of files can be automatically placed in the flash recovery area (fast recovery area in 11g Release 2)?（）

A. Alert log file
B. Archived redo log files
C. Control file autobackups
D. Server Parameter file (SPFILE)
E. Recovery Manager (RMAN) backup piece

單項(xiàng)選擇題

You want to use the automatic management of backup and recovery operations features for your database.Which configuration must you set?（）

A. Enable the flash recovery area and specify it as the archived redo log destination.
B. Disable the flash recovery area and start the database instance in ARCHIVELOG mode.
C.Enable the flash recovery area but do not specify it as the archived redo log destination.
D. Disable the flash recovery area and start the database instance in NOARCHIVELOG mode.

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Before a Flashback Table operation, you execute the following command: ALTER TABLE employees ENABLE ROW MOVEMENT; Why would you need this to be executed?（）

你可能感興趣的試題

Which three types of files can be automatically placed in the flash recovery area (fast recovery area in 11g Release 2)?（）

You want to use the automatic management of backup and recovery operations features for your database.Which configuration must you set?（）

Before a Flashback Table operation, you execute the following command:
ALTER TABLE employees ENABLE ROW MOVEMENT;
Why would you need this to be executed?（）