你可能感興趣的試題

單項選擇題

To determine the space allocated for temporary segments, the DBA can access which of the following views? （）

A.DBA_TABLESPACES
B.DBA_TABLES
C.DBA_SEGMENTS
D.DBA_FREE_SPACE

單項選擇題

By default, checkpoints happen at least as often as（）.

A.Redo log switches.
B.UPDATE statements are issued against the database.
C.The SYSTEM tablespace is accessed.
D.SMON coalesces free space in a tablespase.