单项选择题

Whichofthefollowingdatatypesareusedinsituationswhereyouwantanorderedsetofdataelements,whereeveryelementisthesamedatatype,andwhereyoupredefinethenumberofelementsthatappearintheset?（）

A.REF
B.TABLE
C.CLOB
D.VARRAY

你可能感兴趣的试题

单项选择题

Todeterminethespaceallocatedfortemporarysegments,theDBAcanaccesswhichofthefollowingviews?（）

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

单项选择题

WhendeterminingthenumberofUNDOsegmentsinadatabase,whichofthefollowingchoicesidentifiesafactortoconsider?（）

A.Sizeoftypicaltransactions
B.Concurrenttransactions
C.Sizeofrowsintablemostfrequentlychanged
D.Numberofanticipateddisksorts