单项选择题
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
单项选择题 From the V$SESSION_LONGOPS view, you find that some of the database users have long-running queries and are consuming a lot of CPU time. This causes problems for you when you try to log on as the system user and perform small maintenance tasks. You would like to ensure that users SYS and SYSTEM get priority over all other users. Which method would you use to achieve this objective?()
单项选择题 SORT_AREASIZEandHASH_AREA_SIZEparametersareignoredinsomeoftheusersessions.Whatcouldbethereason?()
单项选择题 Your database is running in the automatic Program Global Area (PGA) memory management and Shared Memory Management mode. You want to increase the memory available for the SQL work areas. What would you do?()