单项选择题
A.V$SESSION B.V$SYSSTAT C.DBA_SEGMENTS D.V$SORT_USAGE
Todeterminethespaceallocatedfortemporarysegments,theDBA...
单项选择题To determine the space allocated for temporary segments, the DBA can access which of the following views? （）
A.DBA_TABLESPACES B.DBA_TABLES C.DBA_SEGMENTS D.DBA_FREE_SPACE
Bydefault,checkpointshappenatleastasoftenas（）.A.Redo lo...
单项选择题By default, checkpoints happen at least as often as（）.
A.Redo log switches. B.UPDATE statements are issued against the database. C.The SYSTEM tablespace is accessed. D.SMON coalesces free space in a tablespase.
Whichofthefollowingchoicesidentifiesadatabasecomponentt...
单项选择题Which of the following choices identifies a database component that will be used for multiplexing control files?（）
A.V$CONTROLFILE B.V$DATABASE C.init.ora D.DBA FILES
