The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issued the following command:SQL> ALTER TABLESPACE hi_data

题目

The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You want to perform user managed backup for the data files of the HR_DATA tablespace.To accomplish the task, you issued the following command:SQL> ALTER TABLESPACE hi_data BEGIN BACKUP;Which two statements are true in this scenario? （）

A. No transaction on the tablespace is allowed but you can perform queries.

B. The tablespace will automatically come out of backup mode when the file copy is complete.

C. The checkpoint change number is frozen in headers of the data files until the file is removed from backup mode.

D. The database writes the before image of an entire block to the redo stream before modifying. block tor the first time.

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.You are managing a 24*7 database. The backup strategy for the database is to perform user－managed backups. Identify two prerequisites to perform the backups.()A. The database must be opened in restricted mode.B. The database must be configured to run in ARCHIVELOG mode.C. The tablespaces are required to be in backup mode before taking the backup.D. The tablespaces are required to be in read-only mode before taking the backup

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

更多“The database Is configured in ARCHIVELOG mode. The database needs to be up 24 X 7. You wan ”相关问题

  • 第1题：

    ThesearethedetailsaboutV$FLASHBACK_DATABASE_STAT：SQL>DESCV$FLASHBACK_DATABASE_STATNameNull？Type-----------------------------------BEGIN_TIMEDATEEND_TIMEDATEFLASHBACK_DATANUMBERDB_DATANUMBERREDO_DATANUMBERESTIMATED_FLASHBACK_SIZENUMBERWhichtwostatementsregardingtheV$FLASHBACK_DATABASE_STATviewaretrue？（）

    A.BEGIN_TIMEisthetimeatwhichFlashbackloggingisenabled.

    B.END_TIMEisthetimeatwhichthequeryisexecutedontheview.

    C.REDO_DATAisthenumberofbytesofredodatawrittenduringtheinterval.

    D.Thisviewcontainsinformationaboutflashbackdatapertainingtothelast24hours.

    E.FLASHBACK_DATAistheamountofflashbackdatageneratedsincethedatabasewasopened.


    参考答案：C, D

  • 第2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3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4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5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6题：

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

    A.SettheSerialAcquisitionOrder

    B.SettheParallelAcquisitionOrder

    C.ConfigureOnlineontheSameNodeDependency

    D.ConfigureOnlineonDifferentNodesDependency


    参考答案：A

相关内容