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OCP-052考试题库汇总(18)-CUUG内部解答版
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
OCP-052考试题库汇总(17)-CUUG内部解答版
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
OCP-052考试题库汇总(15)-CUUG内部解答版
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
OCP-052考试题库汇总(13)-CUUG内部解答版
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
OCP-052考试题库汇总(11)-CUUG内部解答版
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
STM32F0库函数初始化系列:PWM输出
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
OCP-052考试题库汇总(9)-CUUG内部解答版
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
OCP-052考试题库汇总(10)-CUUG内部解答版
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
OCP-052考试题库汇总(8)-CUUG内部解答版
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
OCP-052考试题库汇总(7)-CUUG内部解答版
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
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