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
单项选择题 Bydefault,checkpointshappenatleastasoftenas（）.
单项选择题 Whichofthefollowingchoicesidentifiesadatabasecomponentthatwillbeusedfor multiplexingcontrolfiles?（）
单项选择题 Flushingdirtybuffersoutofthebuffercacheisinfluencedtothegreatestextentbywhichofthefollowingprocess?（）
