单项选择题
You work as a database administrator for Certkiller .com. The database is open. A media failure has occurred， resulting in loss of all the control files in your database. Which statement regarding the database instance is true in this scenario？（）
A.The instance would hang.
B.The instance needs to be shut down.
C.The instance would be in the open state.
D.The instance would abort in such cases.
E.The instance would be in the open and invalid state.
F.The instance would in the open state， but all the background processes will be restarted.
相关考题
-
多项选择题
Youareworkingonatestdatabasewhereinstancerecoverytakesaconsiderableamountoftime.Howcanreducetherecoverytime？（）
A.By multiplexing the control files
B.By multiplexing the redo log files
C.By decreasing the size of redo log files
D.By configuring mean time to recover （MTTR） to a lower value
E.By setting the UNDO_RETENTION parameter to a higher value -
单项选择题
YouworkasadatabaseadministratorforCertkiller.com.UsersintheCertkiller.comPRODdatabasecomplainabouttheslowresponseoftransactions.Whileinvestigatingthereasonyoufindthatthetransactionsarewaitingfortheundosegmentstobeavailable，andundoretentionhasbeensettozero.Whatwouldyoudotoovercomethisproblem？（）
A.Increase the undo return
B.Create more undo segments
C.Create another undotablespace
D.Increase the size of the undotablespace -
单项选择题
YouworkasadatabaseadministratorforCertkiller.com.WhileloadingdataintotheCertkillerSTAFFtableusingOracleEnterpriseManager10gDatabaseControl，youfindthestatusofthejobasfailed.Onfurtherinvestigation，youfindthefollowingerrormessageintheoutputlog：ORA-01653unabletoextendtableHR.CertkillerSTAFFby8intablespaceUSERSWhichtaskwouldyouperformtoloadthedatasuccessfullywithoutaffectingtheuserswhoareaccessingthetable？（）
A.Restart the database instance and run the job
B.Truncate the Certkiller STAFF table and run the job
C.Delete all rows from the Certkiller STAFF table and run the job
D.Increase the size of the USERStablespacethe and run the job
E.Increase the size of the database default permanenttablespaceand run the job
