单项选择题
From the V$SESSION_LONGOPS view, you find that some of the database users have longrunning queries that consume a lot of CPU time. This causes performance problems for other users in the database, who have much shorter queries.
You would like to make sure that the users with large queries do not use all the CPU time, but you still do not want to terminate them with an error message. Which method would you follow to achieve this?()
A.set the CPU time per call in the users profile
B.set the CPU time per session in the users profiles
C.set the CPU levels for the users’ group using Resource Manager
D.set the TIMED_STATISTICS parameter to TRUE in the parameter file
相关考题
-
单项选择题
FromtheV$SESSION_LONGOPSview,youfindthatsomeofthedatabaseusershavelongrunningqueriesandareconsumingalotofCPUtime.Thiscausesproblemsforyouwhenyoutrytologonasthesystemuserandperformsmallmaintenancetasks.YouwouldliketoensurethatusersSYSandSYSTEMgetpriorityoverallotherusers.Whichmethodwouldyouusetoachievethisobjective?()
A.create a plan directive in the SYS_GROUP
B.create the pending area for the consumer group
C.activate the provided SYSTEM_PLAN in Resource Manager
D.set the TIMED_STATISTICS parameter to TRUE in the parameter file
E.set the execution time limit for all users, except SYS and SYSTEM, in their profiles -
单项选择题
YourdatabaseisrunningintheautomaticProgramGlobalArea(PGA)memorymanagementandSharedMemoryManagementmode.YouwanttoincreasethememoryavailablefortheSQLworkareas.Whatwouldyoudo?()
A.modify the HASH_AREA_SIZE initialization parameter
B.modify the PGA_AGGREGATE_TARGET initialization parameter
C.modify the WORK_AREASIZE_POLICY initialization parameter
D.increase the value of the SGA_TARGET initialization parameter
E.increase the value of the SGA_MAX_SIZE initialization parameter
F.increase the value of the SORT_AREA_SIZE initialization parameter -
单项选择题
In your production database you want to use an Automatic Storage Management (ASM) instance to manage the database files. Which option would you use to migrate the database files from a nonASM instance to an ASM instance?()
A.Oracle Migration Assistant
B.Recovery Manager (RMAN)
C.Oracle Data Pump Export and Import
D.conventional Oracle Export and Import
E.operating system utilities to copy the files to the ASM instance
