李老汉说:“抗日战争期间,这里发生过屠村事件。” 以下哪一项是李老汉说话必须预设的?()
A.李老汉是屠村事件的幸存者
B.抗日战争期间,日本军队非常残暴
C.中国历史上有过屠村事件
D.中国历史上有过抗日战争那个时期
第1题
A.1
B.2
C.3
D.4
E.1,2,and4
F.1,2,3,and4
第2题
A. Enable supplemental logging for the database.
B. Specify undo retention guarantee for the database.
C. Create a Flashback Data Archive in the tablespace where the tables are stored.
D. Create a Flashback Data Archive in any suitable tablespace.
E. Enable Flashback Data Archiving for the tables that require tracking
第3题
A.Itwouldbeautomaticallyenabledanddeferred.
B.Itwouldbeautomaticallyenabledandimmediate.
C.ItwouldremaindisabledandhastobeenabledmanuallyusingtheALTERTABLEcommand.
D.Itwouldremaindisabledandcanbeenabledonlybydroppingtheforeignkeyconstraintandre-creatingit.
第4题
A.Theinstancewouldnormallyabort.
B.Theinstancewouldnotbeaffected.
C.Theinstancewouldbeinvalid,sowouldhavetobeaborted.
D.Theinstancewouldremainopen,buttheLGWRprocesswouldfail.
E.Theinstancewouldremainopenandwouldautomaticallycreatethemissingfile
第5题
A.SQLCODEinanOn-Errortrigger.
B.SQLCODEinanexceptionhandler.
C.DBMS_ERROR_CODEinanOn-Errortrigger.
D.DBMS_ERROR_CODEinanexceptionhandler.
第6题
A. Re-enable redaction policies that use FULL data redaction.
B. Re-create redaction policies that use FULL data redaction.
C. Re-connect the sessions that access objects with redaction policies defined on them.
D. Flush the shared pool.
E. Restart the database instance
第7题
A.Controlfile
B.Passwordfile
C.Parameterfile
D.Onlineredologfile
E.Listenercontrollerfile
F.Serverparameterfile
第8题
A.TheQueryOnlypropertyissettoYes.
B.TheConcealDatapropertyissettoYes.
C.TheInsertAllowedpropertyissettoYes.
D.TheUpdateAllowedpropertyissettoYes.
第9题
A.Itreturnsversionsofrowsonlywithinatransaction.
B.ItcanbeusedinsubqueriescontainedonlyinaSELECTstatement.
C.ItwillreturnanerroriftheundoretentiontimeislessthanthelowerboundtimeorSCNspecified.
D.Itretrievesallversionsincludingthedeletedaswellassubsequentlyreinsertedversionsoftherows.
第10题
A. It succeeds with default settings if the EMPLOYEES table belonging to HR is already defined in the database.
B. It fails because no SQL *Loader data file location is specified.
C. It fails if the HR user does not have the CREATE ANY DIRECTORY privilege.
D. It fails because no SQL *Loader control file location is specified.
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