单项选择题
Within a resource-plan definition, what differentiates a top-level plan from a subplan?（）
A. A subplan has the PLAN_SUB parameter value set to SUB
B. A top-level plan has the GROUP_OR_PLAN parameter set to the name of the subplan in the resource-plan definition
C. There is no difference in the resource-plan definition
D. A subplan always has the CPU_MTH parameter value set to RATIO
E. The string TOP_LEVEL is appended to the name of top-level resource plans
相关考题
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多项选择题
Whichtwostatementsaretrueregardingworkingwithdates?（）
A.The default internal storage of dates is in the numeric format
B.The default internal storage of dates is in the character format
C.The RR date format automatically calculates the century from the SYSDATE function and does not allow the user to enter the century
D.The RR date format automatically calculates the century from the SYSDATE function but allows the user to enter the century if required -
单项选择题
Evaluatethefollowingquery:SQL>SELECTTRUNC(ROUND(156.00,-1),-1)FROMDUAL;Whatwouldbetheoutcome?（）
A.16
B.100
C.160
D.200
E.150 -
单项选择题
YouarecurrentlylocatedinSingaporeandhaveconnectedtoaremotedatabaseinChicago.Youissuethefollowingcommand:SQL>SELECTROUND(SYSDATE-promo_begin_date,0)FROMpromotionsWHERE(SYSDATE-promo_begin_date)/365>2;PROMOTIONSisthepublicsynonymforthepublicdatabaselinkforthePROMOTIONStable.Whatistheoutcome?（）
A.an error because the ROUND function specified is invalid
B.an error because the WHERE condition specified is invalid
C.number of days since the promo started based on the current Chicago date and time
D.number of days since the promo started based on the current Singapore date and time
