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多项选择题

You are using Oracle Database 10g. You performed an incomplete recovery of your database and
opened the database with the RESETLOGS option. 
What is the effect of opening the database with the RESETLOGS option？ （）

A.This operation resets the SCN for the database.
B.This operation creates a new incarnation of the database.
C.This operation moves all the redo log files to a different location.
D.This operation deletes the old redo log files and creates new redo log files.
E.This operation updates all current datafiles and online redo logs and all subsequent archived redo logs with a new RESETLOGS SCN and time stamp.

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热门试题

单项选择题YouexecutedthefollowingcommandinRecoveryManager（RMAN）：RMAN>RESTORECONTROLFILEWhichoperationmustyouperformbeforethiscommandisexecuted？（）

A.back up the control file to trace
B.bring database to the MOUNT state
C.open a connection to the RMAN recovery catalog， which contains the RMAN metadata for the target database
D.set the database ID （DBID）， but only if the DB_NAME parameter associated with the target database is unique in the recovery catalog

多项选择题You executed the following command in Recovery Manager （RMAN） to perform a backup of the DETTBS tablespace：  RMAN> BACKUP TABLESPACE DETTBS  Under which conditions would this command execute successfully？ （）

A.The database is in NOMOUNT state.
B.The database is in ARCHIVELOG mode and the tablespace is online.
C.The database is in ARCHIVELOG mode and the tablespace is offline.
D.The database is in NOARCHIVELOG mode and the tablespace is online.
E.The database is in NOARCHIVELOG mode and the tablespace is offline.

多项选择题YouhavesetthevalueoftheNLS_TIMESTAMP_TZ_FORMATparameterintheparameterfiletoYYYY­MM­DD.Thedefaultformatofwhichtwodatatypeswouldbeaffectedbythissetting？（）

A.DATE
B.TIMESTAMP
C.INTERVAL YEAR TO MONTH
D.INTERVAL DAY TO SECOND
E.TIMESTAMP WITH LOCAL TIME ZONE

单项选择题Youexecutethefollowingcommandtoenableasessioninresumablemode：SQL>ALTERSESSIONENABLERESUMABLETIMEOUT60Whatistheimpactofatimeoutonthestatementsbeingsuspended？（）

A.The statements remain suspended for at least 60 seconds.
B.The statements are suspended for 60 seconds and then they are executed.
C.The suspended statements error out if the problem is not rectified within 60 seconds.
D.The statements are automatically suspended 60 seconds after an error is received， and then attempt to execute normally again.

单项选择题You have created a resource plan， DB_PLAN， using DBMS_RESOURCE_MANAGER.CREATE_SIMPLE_PLAN and you want to impose a restriction on utilization of resources by the database users.   Which step must be performed before you can start using the resource plan？（）

A.assign users to consumer groups
B.set the resource plan for the instance
C.configure a simple resource plan and specify plan directives
D.configure a complex resource plan and specify plan directives