永久 臨時(shí) undo表空間
表、視圖、存儲(chǔ)
中間執(zhí)行過(guò)程
修改過(guò)的數(shù)據(jù)
表、視圖、存儲(chǔ)
中間執(zhí)行過(guò)程
修改過(guò)的數(shù)據(jù)
2015-03-23
sys/ system sysman scott
alter user username account unlock
alter user username account lock
system/password
alter user scott account unlock;
connect scott/tiger; connect scoot/tiger
show user
alter user username account unlock
alter user username account lock
system/password
alter user scott account unlock;
connect scott/tiger; connect scoot/tiger
show user
2015-03-23