单项选择题
You work as a database administrator for Supportcenter.cn. In your production database， the size of Database Buffer Cache needs to be increased immediately for the current as well as future instances of the database. The Oracle instance has been configured to accommodate any changes in the size of the memory structures. At this is production database， you want to accomplish this task with no impact on the user’s connections. Which activity must you have completed before accomplishing this task？（）
A.You must have started the database instance in restricted mode.
B.You must have started the database instance inNORMALmode.
C.You must have started the database instance with server parameter file.
D.You must have started the database instance but must not have mounted.
E.You must have started the database instance but must not have opened.
相关考题
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多项选择题
You work as a database administrator for Supportcenter.cn. You decided to manage client and server connections using Local Naming method in Supportcenter.cn. When you try to connect to the database you get the following error： ERROR： ORA-12154：TNS：couldnot resolve service name Which network configuration files would you look into to resolve this error？（）
A.snmp.ora
B.names.ora
C.spfile.ora
D.sqlnet.ora
E.listener.ora
F.tnsnames.ora -
单项选择题
YouworkasadatabaseadministratorforSupportcenter.cn.Youstartedtheinstanceusingtheinit.orafile.Youhavetwocontrolfilesandthreeredologgroupsinyourdatabase.Youdecidedtoprotectthedatabaseagainstfailuresbyaddingonemorecontrolfile.Whichfileistheappropriatewaytoperformthistask？（）
A.Shut down the instance， copy the control file to the third location and open the database.
B.Abort the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.
C.Copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile， restart the instance and open the database.
D.Shut down the instance， copy the control file to the third location， modify the CONTROL_FILES parameter in theinit.orafile and open the database.
E.Shut down the instance， startup in the mount state， copy the control file to the third location， modify the CONTROL_FILES parameter ininit.oraand open the database. -
单项选择题
ThedatafilebelongingtotheSYSTEMtablespaceiscorruptedandnobackupofthefileisavailable.Howdoyourecoverthedatafile？（）
A.The data file cannot be recovered.
B.The date file can be restored from the SYSTEM auto backup.
C.Take thetablespaceoffline，drop，kand re-create it.
D.Recovery Manager （RMAN） is used to recover the data file.
E.The ALTER DATABSE CREATE DATAFILE..commandis used to recover the data file.
