单项选择题
A.Modify the profile assigned to the user.
B.Modify the roles assigned to the users.
C.Modify the object privileges assigned to the user.
D.Modify the system privileges assigned to the users.
E.Modify the value for the RESOURCE_LIMIT parameter in the parameter file.
单项选择题 Youhavecreatedabaselinemetric，DISK_IO_BL，forthediskI/OmetricsinyourPRODdatabaseandyouhavebeengettingnotificationswheneverthedatabaseperformancedegrades.YouoptimizethedatabaseI/Otogaintheperformanceandyoudecidetoremovethebaselinemetrics.WhichmethodwouldyouusetoremovetheDISK_IO_BLbaselinemetrics？（）
多项选择题 Exhibit. Which two options are used to enable the connect-time failover feature？（）
单项选择题 One of the users in the PROD database，Adams，complains that his update on the table，TRANS， is taking an unusually long time to complete. You find that the table gets locked by another database user before Adams starts his transactions，and you are unable to contact the user holding the table lock. As Adams is updating some crucial rows in the table， he should get the highest priority. Which method would you use to overcome this problem？（）