You perform the following activities during the database upgrade from Oracle Database 10g to Oracle Database 11g:1. Capture plans for a SQL workload into a SQL Tuning Set (STS) before upgrade.2. Load these plans from the STS into the SQL plan baseline imm

题目

You perform the following activities during the database upgrade from Oracle Database 10g to Oracle Database 11g:1. Capture plans for a SQL workload into a SQL Tuning Set (STS) before upgrade.2. Load these plans from the STS into the SQL plan baseline immediately after the upgrade.What is the reason for performing these activities? （）

A. to minimize plan regression due to the use of a new optimizer version

B. to completely avoid the use of new plans generated by a new optimizer version

C. to prevent plan capturing when the SQL statement is executed after the database upgrade

D. to keep the plan in the plan history so that it can be used when the older version of the optimizer is used

相似考题

1.You are a database administrator in the Los Angeles branch office of a specialty foods supplier. A mainframe. database at the headquarters contains all company data. Each branch office contains a SQL Server 2000 computer that imports regional data from the mainframe. database.The server in Los Angeles contains a Data Transformation Services (DTS) package that uses OLE DB to connect to the company's mainframe. database. The DTS package extracts and transforms data about buyers and products for that region. The DTS package then writes the data to the SQL Server database in Los Angeles.You need to configure a SQL Server computer for the new branch office in Sydney. You want to copy the Los Angeles package and modify it so that it writes data to the SQL Server database in Sydney.You use the DTS Designer to modify the DTS package so that it imports regional data from the mainframe. database to the server in Sydney. The modified DTS package runs successfully on the server in Los Angeles. You save this DTS package to the server in Sydney, but the server in Sydney cannot connect to the mainframe. database.You want to enable the server in Sydney to connect to the mainframe. database. What should you do?A．Change the connection properties in the DTS package so that the package uses new login credentials to connect to the mainframe. database.B．Modify the workflow in the DTS package so that the server in Sydney is included.C．On the server in Sydney, install an OLE DB provider for the mainframe. database.D．On the server in Sydney, delete and then re-create the DTS package.

2.YouareplanningtoimportcustomerdatafromtheCustomertableandtheCountrytableinyourSQLServer2000databaseintoaSQLServer2005database.Youwanttoensurethatduringtheimportprocess，eachvalueintheCountryCodecolumnoftheCustomertablehasacorrespondingrecordintheCountryCodecolumnintheCountrytableoftheSQLServer2005database.Youdefineaforeignkeybetweenthesetwotables.Thus，referentialintegritywillguaranteethattheimportroutinefailsifthereareanyrecordswhereaCountryCodevaluedoesnotexistintheCountrytablebutdoesexistintheCustomertable.YouneedtoensurethattheimportprocessdoesnotfailifrecordsareencounteredthatdonotexistintheCountrytable.Whatshouldyoudo？（）

3.Youhavecreatedascriptintherecoverycatalogcalledbackup_database.Whichofthefollowingcommandswouldsuccessfullyexecutethatscript?()A.run{openscriptbackup_database；runscriptbackup_database}B.run{engagescriptbackup_database；}C.run{runscriptbackup_database；}D.Run{executescriptbackup_database；}E.Thenamebackup_databaseisaninvalidnameforanRMANscript.TryingtorunitfromRMAN wouldresultinanerror.

4.You’re going to have a quiz ( )by another two in the ( )month.A. followed,followedB. followed,followingC. following,followedD. following,following

更多“You perform the following activities during the database upgrade from Oracle Database 10g ”相关问题

  • 第1题：

    YouareworkingasaDBAatNetFxCorporation.YoudiscoverthattheSCOTTschemaisdeletedbymistake.Youdecidetoflashthedatabasebacktothetimewhentheschemaexisted.Whichviewwillyouquerytodeterminetheestimatedsizeoftheflashbackdatathatyourequireforyourcurrenttargetretention？（）

    A.V$FLASHBACK_DATABASE_LOG

    B.V$FLASHBACK_DATABASE_STAT

    C.V$DATABASE

    D.V$UNDOSTAT


    参考答案：A

  • 第2题：

    You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT.You issue the following statements:SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT;For which database users is the audit policy now active?（）

    A. All users except SYS

    B. All users except SCOTT

    C. All users except sys and SCOTT

    D. All users except sys, system, and SCOTT


    参考答案：B

  • 第3题：

    Anadministratorisplanningaclusterrunningapplicationsin3separateresourcegroups.RGA-Database1RGB-WebServerRGC-Database2Database1andDatabase2mustbeonlinebeforetheWebServer.AllresourcegroupshaveaStartupPolicyofOnlineonHomeNodeOnly.Whichofthefollowingwillensurethattheresourcegroupsareprocessedinthecorrectorder？（）

    A.SettheSerialAcquisitionOrder

    B.SettheParallelAcquisitionOrder

    C.ConfigureOnlineontheSameNodeDependency

    D.ConfigureOnlineonDifferentNodesDependency


    参考答案：A

  • 第4题：

    You enabled an audit policy by issuing the following statements:SQL> AUDIT POLICY ORA_DATABASE_PARAMETER BY SCOTT;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER BY SYS, SYSTEM;For which database users and for which executions is the audit policy now active? （）

    A. SYS, SYSTEM

    B. SCOTT

    C. Only for successful executions

    D. Only for failed executions

    E. Both successful and failed executions


    参考答案：A, E

  • 第5题：

    Marrywantstocreateanewapplicationonhislaptopthatdoesnothaveanydesignelementsinit.Whichoneofthefollowingshouldhedotobeginhisprocess?()

    A.selectfile->Database->newandgiveitafilenameof“blank.nsf”

    B.selectfile->Database->new,chooselocalastheserver,andchosetheblanktemplate

    C.selectfile->Database->new,chooselocalastheserver,andchosethedefault.ntftemplate

    D.selectfile->Database->new,giveitafilenameof“blank.nsf”,andchosetheblanktemplate


    参考答案：B

  • 第6题：

    ORACLE初始化参数文件的默认路径是:()

    A.对于UNIX，在$ORACLE_HOME/dbs

    B.对于UNIX，在$ORACLE_HOME/dbs/admin

    C.对于Linux，在%ORACLE_HOME%\database

    D.对于Windows，在%ORACLE_HOME%\dbs

    E.对于Windows，在%ORACLE_HOME%\database\admin


    参考答案：A

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