单项选择题
For the V$SESSION_LONGOPS view， you find that some of the database users have long-running queries that consume a lot of CPU time. This causes performance problems for other users in the database， who have much shorter queries. You would like to make sure that the users with large queries do not use all the CPU time， but you still do not want to terminate them with an error message. Which method would you follow to achieve this？（）
A. Set the CPU time per call in the users profile.
B. Set the CPU time per session in the users profile.
C. Set the CPU levels for the user’s group using Resource Manager.
D. Set the TIMED_STATISTICS parameter to TRUE in the parameter file.
相关考题
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单项选择题
Youlosttheindextablespaceinyourdatabase.Youarenotabletousetablespacepoint-in-timerecoveryontheindextablespace.Whatcouldbethereasonforthis？（）
A. The index tablespace contains bitmap indexes.
B. The index tablespace contains more than one data file.
C. The index tablespace supports only complete recovery.
D. The index tablespace is not a dictionary-managed tablespace.
E. There is a dependency relationship between a table and its indexes. -
单项选择题
Youhaveadiskgroup，DGROUP1，withthreediskandNORMALredundancy.Youexecutethefollowingcommandtocreateatemplateforthediskgroup：ALTERDISKGROUPdgroup1ADDTEMPLATEmy_tempATTRIBUTES（MIRRORFINE）；Whichstatementistrue？（）
A. When a file is created in DGROUP1 with the template， it would have three-way mirroring.
B. When a file is created in DGROUP1， the MY_TEMP template becomes the default template.
C. When a file is created in DGROUP1 with the template， it would have two-way mirroring and file striping.
D. When a file is created in DGROUP1 with the template， it would have three-way mirroring and file striping.
E. When a file is created in DGROUP1 with the template， it would have two-way mirroring but no file striping. -
单项选择题
Theproductiondatabasehasbeenfunctionalforthelastsevendays.Becauseofapplicationrequirements，someoftheinitializationparameterswerechangedduringruntimewithoutanycomments.Youhaveaskedtofindoutthevalueoftheparameterswhentheinstancewasstarted.Whichsourcewouldyouusetolocatethisinformation？（）
A. Fixed views
B. The alert log file
C. The parameter file
D. The server parameter file
E. Dynamic performance views
