网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
In a recent Automatic Workload Repository (AWR) report for your database, you notice a high number of buffer busy waits. The database consists of locally managed tablespaces with free list managed segments.On further investigation, you find that buffer busy waits is caused by contention on data blocks.Which option would you consider first to decrease the wait event immediately?（）
A. Decreasing PCTUSED
B. Decreasing PCTFREE
C. Increasing the number of DBWN process
D. Using Automatic Segment Space Management (ASSM)
E. Increasing db_buffer_cache based on the V$DB_CACHE_ADVICE recommendation
参考答案
更多 “ In a recent Automatic Workload Repository (AWR) report for your database, you notice a high number of buffer busy waits. The database consists of locally managed tablespaces with free list managed segments.On further investigation, you find that buffer busy waits is caused by contention on data blocks.Which option would you consider first to decrease the wait event immediately?（）A. Decreasing PCTUSEDB. Decreasing PCTFREEC. Increasing the number of DBWN processD. Using Automatic Segment Space Management (ASSM)E. Increasing db_buffer_cache based on the V$DB_CACHE_ADVICE recommendation ” 相关考题
考题
I'mnotsureaboutthemeaningoftheword.You'dbetterlookitupina____．A．letterB．dictionaryC．postcardD．notice
考题
Merry Christmas, George! Here is a card for ________, with ________ best withes.
A.you…yourB.you…ourC.us…ourD.us…your
考题
Inyourdatabase,theSTATISTICS_LEVELinitializationparameterissettoBASIC.Whatistheimpactofthissetting?()
A.Theoptimizerstatisticsarecollectedautomatically.B.Onlythetimedoperatingsystem（OS）statisticsandplanexecutionstatisticsarecollected.C.TheOracleserverdynamicallygeneratesthenecessarystatisticsontablesaspartofqueryoptimization.D.ThesnapshotsfortheAutomaticWorkloadRepository（AWR）arenotgeneratedautomatically.E.SnapshotscannotbecollectedmanuallybyusingDBMS_WORKLOAD_REPOSITORYPACKAGE.
考题
inyourdatabaseinstance,theSTATISTICS_LEVELinitializationparameterissettoBASIC.Whatistheimpactofthissetting()
A.Optimizerstatisticsarecollectedautomatically.B.Onlytimedoperatingsystem（OS）statisticsandplanexecutionstatisticsarecollected.C.ThesnapshotsfortheAutomaticWorkloadRepository（AWR）arenotgeneratedautomatically.D.SnapshotscannotbecollectedmanuallybyusingtheDBMS_WORKLOAD_REPOSITORYpackage.E.TheOracleserverdynamicallygeneratesthenecessarystatisticsontablesaspartofqueryoptimization.
考题
YouworkasadatabaseadministratorforSupportcenter.cn.YouhavesettheretentionperiodforAutomaticRepository（AWR）statisticstofourdaysandcollectionintervalto15minutes.YouwanttoviewthestatisticscollectedandstoredinAWRsnapshot.WhichtwomethodswouldyouusetoviewtheAWRstatistics？（）A.useenterprisemanagerB.useDBMS_SQLpackageC.useDBMS_AWRpackageD.usePRVT_WORKLOADpackageE.querytheAWRsnapshotrepositoryobjectsF.useDBMS_WORKLOAD_REPOSITORYpackage
考题
Thefollowingcommandisexecutedtocreatethebaselinetemplate：SQLEXECUTEDBMS_WORKLOAD_REPOSITORY.CREATE_BASELINE_TEMPLATE（START_TIME=TO_TIESTAMP（SYSDATE+2），END_TIME=TO_TIMESTAMP（SYSDATE+10），BASELINE_NAME=’Mybase4’，TEMPLATE_NAME=’Mytemp4’，EXPIRATION=NULL）；Whichstatementistrueabouttheeffectoftheabovecommand？（）A.Itcreatesabaselinetemplatethatneverexpires.B.Itproducesanerrorbecausenosnapshotinformationisprovidedtocreatethebaseline.C.ItcreatesabaselinetemplatethatexpiresaftertheAutomaticWorkloadRepository（AWR）retentionperiod.D.ItcreatesarepeatingbaselinetemplatethatrepeatsaftertheAutomaticWorkloadRepository （AWR）retentionperiod.
考题
Youhavecreatedabaselinemetric，DISK_IO_BL，forthediskI/OmetricsinyourPRODdatabaseandyouhavebeengettingnotificationswheneverthedatabaseperformancedegrades.YouoptimizethedatabaseI/Otogaintheperformanceandyoudecidetoremovethebaselinemetrics.WhichmethodwouldyouusetoremovetheDISK_IO_BLbaselinemetrics？（）A.Thebaseline，oncecreated，cannotberemoved.B.DisablethebaselinemetricsintheDatabaseControlManageMetricspage.C.Thebaselinewillbeautomaticallyremovedoncethedatabaseperformancehasbeenoptimized.D.DropthebaselinemetricsbyusingDBMS_WORKLOAD_REPOSITORY.DROP_BASELINEprocedure.
考题
YouworkasadatabaseadministratorforCertkiller.com.YouhavesettheretentionperiodforAutomaticRepository（AWR）statisticstofourdaysandcollectionintervalto15minutes.YouwanttoviewthestatisticscollectedandstoredinAWRsnapshot.WhichtwomethodswouldyouusetoviewtheAWRstatistics？（）A.useenterprisemanagerB.useDBMS_SQLpackageC.useDBMS_AWRpackageD.usePRVT_WORKLOADpackageE.querytheAWRsnapshotrepositoryobjectsF.useDBMS_WORKLOAD_REPOSITORYpackage
考题
（ ） – Is Miss White __________ English teacher, Maria?– No, she teaches __________ geography.A．your；myB．you；mineC．you；usD．your；us
热门标签
最新试卷