HowwouldyougranttheRVPCuseraccesstospecificRMANdatabaserecordsintheRMANvirtualprivatecatalog？（）
A. IssuethegrantcommandfromtheSYSuser（orequivalent）ofthetargetdatabase.
B. IssuethegrantcommandfromtheSYSuser（orequivalent）oftherecovery-catalogdatabase.
C. Issuethegrantcommandfromtherecoverycatalog-owningschemauseraccountintherecoverycatalog.
D. IssuethegrantcommandfromRMANwhenconnectedtotherecoverycatalog-owningschema.
E. IssuethegrantcommandfromRMANwhenconnectedtothetargetdatabase.
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“群众是真正的英雄”一句话中，“群众”是（）
A. 单独、集合概念
B. 单独、非集合概念
C. 普遍、集合概念
D. 普遍、非集合概念
Which clause should you use to exclude group results？ （）
A. WHERE
B. HAVING
C. RESTRICT
D. GROUP BY
E. ORDER BY
Tomakeauditinformationmoreproductive，theDBAexecutesthefollowingcommandbeforestartinganauditoperation：SQL＞ALTERSYSTEMSETAUDIT_TRAIL=DB，EXTENDEDSCOPE=SPFILE；WhichstatementistrueregardingtheauditrecordgeneratedwhenauditingstartsafterrestartingThedatabase（）
A. ItcontainsonlytheplanfortheSQLstatementexecutedbytheuser.
B. ItcontainstheSQLtextexecutedbytheuserandthebindvariablesusedwithit.
C. ItcontainstheplanandstatisticsassociatedwiththeSQLstatementexecutedbytheuser.
D. ItcontainstheplanfortheSQLstatementexecutedbytheuserandthebindvariablesusedwithit
如果“有A是B”、“有A不是B”、“有B不是A”都真，则（）
A与B都是单独概念
B. A是单独概念，B是普遍概念
C. A与B都是普遍概念
D. A是普遍概念，B是单独概念
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