你可能感興趣的試題

In which two cases would you perform only consistent backup？（）

A.You are working on a database where downtime is not tolerated.
B.You are working on a database where downtime can be tolerated.
C.You are working on a database that operates in ARCHIVELOG mode.
D.You are working on a database that operates in NOARCHIVELOG mode.
E.You are working on a database where all the tablespaces are locally managed.
F.You are working on a database where control files and redo log files are multiplexed.
G.You are working on a database where control files and redo log files are not multiplexed.

單項選擇題

Due to media failure you lost one of the data files belonging to the USERS tablespace， and the tablespace is not available to use. Which statement regarding the status of the database is true？（）

A.The database remains open.
B.The database gets dismounted.
C.The database becomes read only.
D.The database instance gets aborted.
E.The database gets shut down automatically.
F.The status of the database depends on the status of the USERS tablespace.

You have a production instance running on your server. UNDO_RETENTION is not long enough to satisfy read-consistency requirements. How do you change the UNDO_RETENTION value？（）

你可能感興趣的試題

In which two cases would you perform only consistent backup？（）

Due to media failure you lost one of the data files belonging to the USERS tablespace， and the tablespace is not available to use. Which statement regarding the status of the database is true？（）

You have a production instance running on your server. UNDO_RETENTION is not long enough to satisfy read-consistency requirements. How do you change the UNDO_RETENTION value？（）

In which two cases would you perform only consistent backup？（）

Due to media failure you lost one of the data files belonging to the USERS tablespace， and the tablespace is not available to use. Which statement regarding the status of the database is true？（）