WhichtwoeventsalwaysrequesttheLGWRtowrite?A)WhenDBWnwritesdirtybuffers.B)Whenalogswitchoccurs.C)Whenacheckpointoccurs.D)WhenLGWRisnotifiedbyaserverprocessthatperformsaCOMMITorROLLBACK.E)WhenPMONrestar
分类:
其他好文 时间:
2019-08-02 14:47:05
阅读次数:
98
WhichfouraretrueabouttheAutomaticWorkloadRepository(AWR)?A)AWRdatacanberetainedforamonth.B)Itincludesstatisticsonthenumberofcolumnsineachview.C)AutomaticAWRsnapshotscanbewrittenonceperhour.D)Itinclude
分类:
其他好文 时间:
2019-08-02 12:48:53
阅读次数:
80
WhichtwoaretrueaboutAWRsnapshots?A)TheyarestoredintheSYSAUXtablespace.B)Theyarealwayscreatedautomatically.C)Theycanberetainedforever.D)TheycanbemodifiedbyusingDMLs.E)TheyarenotgeneratedifSTATISTICS_LE
分类:
其他好文 时间:
2019-08-01 11:50:17
阅读次数:
113
WhichthreearetrueabouttheAutomaticWorkloadRepository(AWR)?A)AWRdataisstoredintheSYSTEMtablespace.B)Bydefault,AWRsnapshotsaretakenevery60minutes.C)Itisthefoundationfortheself-managinginfrastructure.D)T
分类:
其他好文 时间:
2019-07-31 11:09:27
阅读次数:
87
WhichtwoaretrueaboutOptimizerStatistics?A)TheyaregatheredbytheManageabilityMonitor(MMON)backgroundprocess.B)TheycanbegatheredbyexecutingthePL/SQLproceduresintheDBMS_STATESpackage.C)Theydonotpersistacr
分类:
其他好文 时间:
2019-07-30 11:08:00
阅读次数:
118
void TIM1_Configuration(void) { TIM_TimeBaseInitTypeDef TIM_Time1BaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2... ...
分类:
其他好文 时间:
2019-07-29 17:33:17
阅读次数:
153
WhichthreearetrueaboutOptimizerStatistics?A)TheycanbegatheredmanuallyB)TheyareautomaticallyupdatedbyDMLstatementsC)TheycontaintheexecutionplanforeachexecutedSQLstatement.D)Theyincludethenumberofrowsin
分类:
其他好文 时间:
2019-07-29 11:44:54
阅读次数:
89
WhichtwoaretrueaboutOracle‘sOptimizerstatistics?A)Theyareautomaticallyupdatedwhenddlstatementsexecute.B)Theycanbecalculatedexactly.C)Theycanbegatheredonexternaltables.D)Theyareautomaticallyupdated
分类:
其他好文 时间:
2019-07-29 11:32:09
阅读次数:
99
WhichtwoaretrueaboutPL/SQLobjects? A)Theymustbeinaninvalidstatetoberecompiled. B)Theycanneverbemanuallyrecompiled. C)Theycanbemanuallyrecompiled. D)Theymustbemanuallyrecompiled. E)Theycanbeauto
分类:
其他好文 时间:
2019-07-26 11:45:07
阅读次数:
83
WhichistrueaboutinvalidPL/SQLobjects? A)Theyareautomaticallyrecompiledagainstthenewdefinitionofareferencedobjectwhentheyarecalled. B)TheymustbemanuallyrecompiledbeforetheycanbeusedifaDDLisperforme
分类:
其他好文 时间:
2019-07-26 10:44:17
阅读次数:
101