單項(xiàng)選擇題

You decided to change the location of the flash recovery area. You executed the following command： Which statement is true？（）

A.The location can be changed only if the flash recovery area is empty.
B.After executing the command， all new flash recovery area files will be created in the new location.
C.The command will generate an error because you cannot change the flash recovery area while the database is open.
D.All the existing files in the flash recovery area will be moved to the new location， and all new Flash Recovery Area files will be created in the new location.

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單項(xiàng)選擇題

You executed the following query in your database：
FROM V$FLASHBACK_DATABASE_LOG;
What would you determine from the output？（）

A.the time when the last flashback operation in your database was performed
B.the time when the first flashback operation in your database was performed
C.a list of flashback operations performed in your database using SCN and time
D.the approximate time and the lowest system change number （SCN） to which you can flash back your database

單項(xiàng)選擇題

You disabled the Flashback Database feature by using the following command：
SQL> ALTER DATABASE FLASHBACK OFF;
What would be the effect of this command on the existing flashback logs？（）

A.Flashback logs are not deleted.
B.Flashback logs are deleted automatically.
C.Flashback logs are deleted only if you are using Recovery Manager （RMAN）.
D.Flashback logs are deleted only if you are using Oracle Managed Files （OMF）.
E.Flashback logs are deleted only if you are using Automatic Storage Management （ASM）.

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You decided to change the location of the flash recovery area. You executed the following command： Which statement is true？（）

你可能感興趣的試題

You executed the following query in your database： FROM V$FLASHBACK_DATABASE_LOG; What would you determine from the output？（）

You disabled the Flashback Database feature by using the following command： SQL> ALTER DATABASE FLASHBACK OFF; What would be the effect of this command on the existing flashback logs？（）

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You decided to change the location of the flash recovery area. You executed the following command： Which statement is true？（）

You executed the following query in your database：
FROM V$FLASHBACK_DATABASE_LOG;
What would you determine from the output？（）

You disabled the Flashback Database feature by using the following command：
SQL> ALTER DATABASE FLASHBACK OFF;
What would be the effect of this command on the existing flashback logs？（）