单项选择题
A.Size of typical transactions B.Concurrent transactions C.Size of rows in table most frequently changed D.Number of anticipated disk sorts
Youaretryingtodeterminehowmanydisksortsarehappeningonth...
单项选择题You are trying to determine how many disk sorts are happening on the database right now. Which of the following dictionary tables would you use to find that information?（）
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.
