题目内容（请给出正确答案）

[主观题]

According to the author, public schools are expected to______.A．study why home schooling h

According to the author, public schools are expected to______.

A．study why home schooling has succeeded

B．work with home schooling families

C．invest in outstanding course materials

D．adopt successful aspects of home schooling

查看答案

如搜索结果不匹配，请联系老师获取答案

您可能会需要：

重置密码查看订单联系客服

安装上学吧APP，拍照搜题省时又省心！

更多“According to the author, publi…”相关的问题

第1题

YouexecutedthefollowingcommandinRecoveryManager(RMAN):RMAN>REPORTNEEDBACKUPdays3;Whatistheoutputofthiscommand?()

A.alistoffilesthatrequireabackupwithinthreedays

B.alistoffilesrequiringmorethan3daysofarchivelogstoapply

C.alistoffilesthatRMANrecommendsbebackeduponlyonceineverythreedays，basedonlowvolatility

D.alistoffilesforwhichabackuphasalreadybeenperformedinthelastthreedaysandwhichisrequiredtobebackedupagainbasedonthehighnumberoftransactionsperformedonthem

点击查看答案

第2题

YouexecutethefollowingcommandtochangethestatusoftheSALEStablespace:SQL>ALTERTABLESPACEsalesOFFLINE;Whichstatementsdescribetheeffectofthecommand()

A.Thetablespacewouldrequirerecoverytogobackonline.

B.AcheckpointistakenonalldatafilesthatareassociatedwiththeSALEStablespace.

C.ThesessionsthatsubsequentlytrytoaccesstheobjectsintheSALEStablespacereceiveanerror

D.ThenewstatusoftheSALEStablespaceisrecordedinthecontrolfilewhenthedatabaseinstanceisclosed

点击查看答案

第3题

You want to schedule a job to rebuild all indexes on the SALES table after the completion

of a bulk load operation. The bulk load operation must also be a scheduled job that executes as soon as the first file that contains data arrives on the system.How would you create these jobs?（）

A. Create both jobs by using events raised by the scheduler

B. Create both jobs by using events raised by the application

C. Create a job to rebuild indexes by using events arised by the application and then create another job to perform bulk load by using events raised by the scheduler

D. Create a job to rebuild indexes by using events arised by the Scheduler and then create another job to perform bulk load by using events raised by the application

点击查看答案

第4题

ExaminethefollowingstatementthatisusedtomodifytheprimarykeyconstraintontheSALEStable:SQL>ALTERTABLESALESMODIFYCONSTRAINTpkDISABLEVALIDATE;Whichthreestatementsaretrueregardingtheabovecommand()

A.Theconstraintremainsvalid.

B.Theindexontheconstraintisdropped.

C.ItallowstheloadingofdataintothetableusingSQL*Loader.

D.Newdataconformstotheconstraint，butexistingdataisnotchecked.

E.ItallowsthedatamanipulationonthetableusingINSERT/UPDATE/DELETESQLstatements.

点击查看答案

第5题

ViewtheExhibitandexaminethepropertiesoftheTTtablespace.UsingDatabaseControl,youhaveschedul

ViewtheExhibitandexaminethepropertiesoftheTTtablespace.UsingDatabaseControl，youhavescheduledajobtoshrinktheTRANStableresidingontheTTtablespace.Thejobwouldrunat5：00p.m.everyFriday.Whenyouexaminethespaceusageofthetableafterthecompletionofthejob，youfindthatthetablehasnotbeenshrunk.Whatcouldhavebeenthereasonforthis？（）

A.ThetablespacethatcontainstheTRANStableisonline.

B.ThetablespacethatcontainstheTRANStableispermanent.

C.ThetablespacethatcontainstheTRANStableislocallymanaged.

D.ThesegmentspacemanagementofthetablespacethatcontainstheTRANStableismanualinnature.

点击查看答案

第6题

YouwanttosetthefollowingInitializationparametersforyourdatabaseInstanceLOG_ARCHIVE_DEBT_1=

，，LOCATION=/disk1/archLOG_ARCHIVE_DBST_2=，，LOCATION=/disk2/archLOC_ARCHIVBDBST_3=，，LOCATION=/disk3/archLOG_ARCHIVEDBST_=，，LOCATION=/disk3/archIdentifythestatementthatcorrectlydescribesthissetting.（）

A.TheMANDATORYlocationmustbeaflashrecoveryarea.

B.Theoptionaldestinationsmaynotusetheflashrecoveryarea.

C.ThissettingisnotallowedbecausethefirstdestinationisnotsetasMANDATORY.

D.Theonlineredologfileisnotallowedtobeoverwrittenifthearchivedlogcannotbecreatedinthefourthdestination.

点击查看答案

第7题

Yourdatabaseinstanceisrunningwithfullworkloadafterdatabasecreation.Youhavedecidedtouseafix

ed-sizeundotablespace.YouwanttousetheUndoAdvisortoestimatethecapacityoftheundotablespace.WhichtwofactorsmustyouconsiderbeforeusingtheUndoAdvisortoestimatethecapacityoftheundotablespace（）

A.Theretentionperiodtosupportflashback

B.Theexpectedlengthofthelongest-runningquery

C.Thenumberofundotablespacesinthedatabase

D.ThesizeoftheFlashRecoveryAreaforthedatabaseinstance

点击查看答案

第8题

ThesessionofuserSCOTTreceivesthefollowingerrorafterexecutinganUPDATEcommandontheEMPtable:E

ThesessionofuserSCOTTreceivesthefollowingerrorafterexecutinganUPDATEcommandontheEMPtable：ERRORatline1：ORA-00060：deadlockdetectedwhilewaitingforresourceOninvestigation，youfindthatasessionopenedbyuserJIMhasatransactionthatcausedthedeadlock.WhichtwostatementsaretrueregardingthesessionofSCOTTinthisscenario（）

A.ThesessionisterminatedafterreceivingtheerrorandJIMcancontinuewithhistransaction.

B.SCOTTshouldperformaCOMMITorROLLBACKtoallowJIMtocontinuewithhistransaction.

C.ThesessionisrolledbackafterreceivingtheerrorandJIMcancontinuewithhistransaction.

D.SCOTThastoreexecutethelastcommandinthetransactionafterhecommitsthetransaction.

点击查看答案

第9题

Youhavespecifiedthewarningandcriticalthresholdvaluesofanapplicationtablespacetobe60%and70%

，respectively.Fromthetablespacespaceusagemetrics，youfindthattheactualspaceusagehasreachedthespecifiedwarningthresholdvalue，butnoalertshavebeengenerated.Whatcouldbethereasonforthis？（）

A.TheEVENTparameterwasnotset.

B.TheSQL_TRACEparameterissettoFALSE

C.TheEnterpriseManagerGridControlisnotused.

D.TheSTATISTICS_LEVELparameterissettoBASIC

E.TheTIMED_STATISTICSparameterissettoFALSE

点击查看答案

第10题

YourdatabaseisrunningInARCIIIVELOGmode.Oneofthedatafiles,USBRDATAOI.DBF,intheuserstablespa

YourdatabaseisrunningInARCIIIVELOGmode.Oneofthedatafiles，USBRDATAOI.DBF，intheuserstablespaceisdamagedandyouneedtorecoverthefileuntilthepointoffailure.Thebackupforthedatafileisavailable.Whichthreefileswouldbeusedintheuser-managedrecoveryprocessperformedbythedatabaseadministrator（DBA）？（）

A.redologs

B.controlfile

C.temporaryfilesoftemporarytablespace

D.thelatestbackupofonlythedamageddatafile

E.thelatestbackupofallthedatafilesIntheUSERStablespace

点击查看答案