Youare adatabase developer.Youplantodesigna&ensp Youare adatabase developer.YouplantodesignadatabasesolutionbyusingSQLServer2008.You are creating adataba seto supportthe office manager.Your database modelhasthe following structure.Thedatabasedesignhasthefollowing businessrequirements:Anemployeecanbeassignedmorethanone task.Uponcompletion,thetaskisdeleted.Whenataskisdeleted,theassociatedassignmentisdeleted.When an employee isnolonger availabletocomple tea task,theemployee linkto the assignmentisreplacedwithaNULLvalue.Youneed toimplementthebusinessrequirementstomaintaindataintegrity.Whatshouldyoudo?（）
Youare adatabase developer.Youplantodesigna&ensp
Youare adatabase developer.YouplantodesignadatabasesolutionbyusingSQLServer2008.You are creating adataba seto supportthe office manager.Your database modelhasthe following structure.
Thedatabasedesignhasthefollowing businessrequirements:Anemployeecanbeassignedmorethanone task.Uponcompletion,thetaskisdeleted.Whenataskisdeleted,theassociatedassignmentisdeleted.When an employee isnolonger availabletocomple tea task,theemployee linkto the assignmentisreplacedwithaNULLvalue.Youneed toimplementthebusinessrequirementstomaintaindataintegrity.
Whatshouldyoudo?（）
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You are adatabase developer.You develop ataskmanagementapplication that connect stoa SQLServer2008databasenamed TaskDB.Users logon to the application by using a SQLServer login. The application containsamodulenamed Taskthatassignstaskstousers.Informationaboutthe setasksisstoredinthe Taskstableofthe TaskDB data base.The Taskstablecontainsmultiplecolumns.These include the Close Dateand Estimated Timecolumns.Theapplication mustmeetthefollowingsecurityrequirements:Usersassigned toad atabase role named User 1 canupd ate all taskinformation columnsexceptthe Close Dateandthe Estimated TimecolumnsintheTaskstable.Administrative usersassigned toad atabase rolenamed Task_Admincanupd ateall taskinformation intheTaskstable.Youneedtodesignastrategy tomeetthesecurityrequirements.Whichtwoactionsshouldyouperform?（）
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单选题ou are in the middle of a transaction updating a very important table. The machine on which adatabase was running reboots because of power outage. This caused a database instance failure. Which statement is true in this situation（）AThe online redo log files and archived redo log files are required to accomplish the recovery.BThe uncommitted transaction will be committed at the next startup of the database instance.CThe uncommitted transaction is rolled back automatically at the next opening of the database.DThe DBA has to perform the recovery on the database to recover the uncommitted transaction.
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单选题You are using RMAN to backup your ARCHIVELOG mode database. You have enabled control-file autobackups. Which files are not backed up during the RMAN backup?（）ADatabase Datafiles BDatabase Control Files COnline redo logsDArchived redo logs EThe database SPFILE FNone of the above, all these files are backed up.
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单选题FusionSphere OpenStack控制节点中，不会包含以下哪个角色？（）Adatabase_keystoneBmeasureCvcenter-prowyDCeilometer
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多选题Which of the following files cannot be backed up by RMAN？（）ADatabase datafilesBControl filesCOnline redo logsDDatabase pfilesEArchived redo logs
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多选题Which two are the prerequisites to enable Flashback Data Archive?（） (Choose two.)ADatabase must be running in archivelog mode.BAutomatic undo management must be enabled.CUndo retention guarantee must be enabled.DThe tablespace on which the Flashback Data Archive is created must be managed with Automatic Segment Space Management (ASSM).
多选题Examine the commands executed to monitor database operations: $ conn sys oracle/oracle@prod as sysdba SQL VAR eid NUMBER SQL EXEC: eid := DBMS_SQL_MONITOR.BEGIN_OPERATION (‘batch_job’ , FORCED_TRACKING = ‘Y’); Which two statements are true?（）ADatabase operations will be monitored only when they consume a significant amount of resource.BDatabase operations for all sessions will be monitored.CDatabase operations will be monitored only if the STATISTICS_LEVEL parameter is set to TYPICAL and CONTROL_MANAGEMENT_PACK_ACCESS is set DIAGNISTIC + tuning.DOnly DML and DDL statements will be monitored for the session.EAll subsequent statements in the session will be treated as one database operation and will be monitored.
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