单项选择题
A.log01.log
B.logORCL01.log
C.1_2.logALTER ROLLBACK SEGMENT
D.ora_1_asdf1234.log
单项选择题 WhichofthefollowingoperationsdoesnotrequireOracletostoreinformationinanUNDOsegmentsaspartofthetransaction?()
单项选择题 Toallocateanotherroletoauser,whichcommandismostappropriate?()
单项选择题 Youareattemptingtoclearanunarchivedredologfile.Inordertomanuallyenactalogswitch,whichofthefollowingstatementsisappropriate?()