单项选择题
A.DEFAULT STORAGE
B.EXTENT MANAGEMENT
C.AUTOEXTEND
D.DATAFILE
单项选择题 YouhaveimplementedOMFforredologmanagement.WhichofthefollowingchoicesreflectsalogfilenamethatmightbeemployedwhenOMFisenabled?（）
单项选择题 WhichofthefollowingoperationsdoesnotrequireOracletostoreinformationinanUNDOsegmentsaspartofthetransaction?（）
单项选择题 Toallocateanotherroletoauser,whichcommandismostappropriate?（）