未知题型
publicclassTest{publicstaticvoidmain(String[]args){System.out.println(args.length>4&&args[4].equals(-d”));}}Iftheprogramisinvokedusingthecommandline:javaTestOneTwoThree–dWhatistheresult?()
- A.true
B.false
C.Compilationfails.
D.Anexceptionisthrownatruntime.
D
ThecorrectanswertothisquestionisD.Theargs[4]generatesa......
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未知题型
Whichoftheserecommendationsshouldbefollowedbeforecapturingaworkload?()
A.Makesureyourreplaydatabasehasthesamestructureasthecapturedatabase,exceptwithoutdata.
B.Makesurethereplayandcapturedatabasesaresimilarindatacontent.
C.Performacleanshutdownandrestartofthecapturedatabasebeforebeginningaworkloadcapture.
D.StartthecapturedatabaseinUNRESTRICTEDmode,thenstartthecapture.
E.Defineinclusionandexclusionfilters. -
未知题型
Youissuedthefollowingcommand:CREATEGLOBALTEMPORARYTABLEadmin_work_area (startdateDATE,enddateDATE,classCHAR(20))ONCOMMITDELETEROWSTABLESPACEtbs_t1;AnindexisthencreatedontheADMIN_WORK_AREAtemporarytable.WhichtwostatementsaretrueregardingtheTBS_T1tablespaceintheabovecommand?()A.Itstoresonlythetemporarytablebutnotitsindexes.B.Itstoresboththetemporarytableaswellasitsindexes.C.Itmustbeanondefaulttemporarytablespaceforthedatabase.D.Itcanbeadefaultornondefaulttemporarytablespaceforthedatabase.E.Itmustbethedefaulttemporarytablespaceoftheuserwhoissuesthecommand.
A.WhichtwostatementsaretrueregardingtheTBS_T1tablespaceintheabovecommand?()
A.Itstoresonlythetemporarytablebutnotitsindexes.
B.Itstoresboththetemporarytableaswellasitsindexes.
C.Itmustbeanondefaulttemporarytablespaceforthedatabase.
D.Itcanbeadefaultornondefaulttemporarytablespaceforthedatabase.
E.Itmustbethedefaulttemporarytablespaceoftheuserwhoissuesthecommand. -
未知题型
WhichfileswillyouneedtoperformafullrecoveryofadatabasebackedupinNOARCHIVELOGmode?()
A.Databasedatafiles
B.Controlfiles
C.Archivedredologs
D.Onlineredologs
E.Flashbacklogs
