單項(xiàng)選擇題

You decide to enable Flashback Database in your Oracle 10g database so that future recoveries will take less time than traditional recoveries. Which of the following parameters must be included in your initialization parameter file before enabling Flashback Database？（）

A. DB_RECOVERY_FILE_DEST only
B. DB_FLASHBACK_RETENTION_TARGET only
C. DB_RECOVERY_FILE_DEST_SIZE and DB_RECOVERY_FILE_DEST only
D. DB_RECOVERY_FILE_DEST and DB_FLASHBACK_RETENTION_TARGET only
E. DB_RECOVERY_FILE_DEST_SIZE， DB_RECOVERY_FILE_DEST and
F. DB_FLASHBACK_RETENTION_TARGET

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單項(xiàng)選擇題

In which scenario will you use the Flashback Version Query feature？（）

A. when you want to restore a table that has been dropped from the Recycle Bin
B. when you want to identify the transaction ID of the transaction that deleted some important records from a table
C. when you want to recover the schema of a dropped user
D.when you want to restore a dropped tablespace

單項(xiàng)選擇題

You are working as a DBA at NetFx Corporation. You discover that the SCOTT schema is deleted by mistake. You decide to flash the database back to the time when the schema existed. Which view will you query to determine the estimated size of the flashback data that you require for your current target retention？（）

A. V$FLASHBACK_DATABASE_LOG
B. V$FLASHBACK_DATABASE_STAT
C. V$DATABASE
D. V$UNDOSTAT

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You decide to enable Flashback Database in your Oracle 10g database so that future recoveries will take less time than traditional recoveries. Which of the following parameters must be included in your initialization parameter file before enabling Flashback Database？（）

你可能感興趣的試題

In which scenario will you use the Flashback Version Query feature？（）

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You decide to enable Flashback Database in your Oracle 10g database so that future recoveries will take less time than traditional recoveries. Which of the following parameters must be included in your initialization parameter file before enabling Flashback Database？（）

In which scenario will you use the Flashback Version Query feature？（）