多项选择题
A.The members of LOW_GROUP would get more priority than those of OTHER_GROUPS.
B.The members of SYS_GROUP would get most of the CPU allocation at level 1.
C.The members of LOW_GROUP would get most of the CPU allocation because it has CPU allocation at two different levels.
D.The members of LOW_GROUP would get no CPU allocation at level 1 if the members of OTHER_GROUPS are using all the CPU at level 2.
E.The members of SYS_GROUP would get no CPU allocation at level 1 if the members of OTHER_GROUPS are using all the CPU at level 2.
多项选择题 Inyourproductiondatabase,youobservethatusers’transactionsareconsumingalotofresourcesandyouplantoimposeresourcerestrictionsbyusingResourceManager.ForwhichthreeresourcescanyouenableusagerestrictionsbyusingResourceManager?()
单项选择题 From the V$SESSION_LONGOPS view, you find that some of the database users have longrunning queries that consume a lot of CPU time. This causes performance problems for other users in the database, who have much shorter queries. You would like to make sure that the users with large queries do not use all the CPU time, but you still do not want to terminate them with an error message. Which method would you follow to achieve this?()
单项选择题 FromtheV$SESSION_LONGOPSview,youfindthatsomeofthedatabaseusershavelongrunningqueriesandareconsumingalotofCPUtime.Thiscausesproblemsforyouwhenyoutrytologonasthesystemuserandperformsmallmaintenancetasks.YouwouldliketoensurethatusersSYSandSYSTEMgetpriorityoverallotherusers.Whichmethodwouldyouusetoachievethisobjective?()