单项选择题
Which of the following operations does not require Oracle to store information in an UNDO segments as part of the transaction?（）
A.INSERT
B.SELECT
C.UPDATE
D.DELETE
点击查看答案
相关考题
-
单项选择题
Toallocateanotherroletoauser,whichcommandismostappropriate?（）
A.ALTER USER
B.ALTER DATABASE
C.ALTER SYSTEM
D.GRANT -
单项选择题
Youareattemptingtoclearanunarchivedredologfile.Inordertomanuallyenactalogswitch,whichofthefollowingstatementsisappropriate?（）
A.ALTER DATABASE
B.ALTER SYSTEM
C.ALTER USER
D.ALTER REDO LOG -
单项选择题
YouareanalyzingthecomponentsoftheredologmechanismsinyourOracledatabase.WhichofthefollowingpurposesdoestheCKPTprocessserve?（）
A.Writes buffers to disk
B.Writes current redo log number to datafile headers
C.Writes redo log information to disk
D.Reads information into memory for users
