單項(xiàng)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.

你可能感興趣的試題

單項(xiàng)選擇題

Which of the following choices identifies a database component that will be used for multiplexing control files?（）

A.V$CONTROLFILE
B.V$DATABASE
C.init.ora
D.DBA FILES

單項(xiàng)選擇題

Flushing dirty buffers out of the buffer cache is influenced to the greatest extent by which of the following process?（）

A.ARCH
B.SMON
C.LGWR
D.SERVER