题目内容:
A.iftheapplicationusesqueriesjoiningtablesonlyoccasionallyB.ifthefulltablescanisexecutedoftenononlyonetableoftheclusteredtables
C.ifthedataforalltherowsofaclusterkeyvalueexceedsoneortwoOracleblocks
D.whenyouwantthedatatobereturnedautomaticallyinthechronologicalorder
参考答案: