Oracle 解除對(duì)SCOTT/TIGER用戶(hù)的鎖定
1、查證目前系統(tǒng)對(duì)于SCOTT用戶(hù)的狀態(tài)：
select * from dba_users where upper(username)='SCOTT';
ACCOUNT_STATUS:EXPIRED & LOCKED
2、解除對(duì)于SCOTT用戶(hù)的鎖定：
conn sys/bitservice@ttonline as sysdba;
alter user scott account unlock;
select * from dba_users where upper(username)='SCOTT';
ACCOUNT_STATUS:EXPIRED
3、連接SCOTT用戶(hù)：
conn scott/tiger@ttonline;提示該用戶(hù)已經(jīng)過(guò)期，請(qǐng)重新輸入新的密碼：tiger
conn scott/tiger@ttonline;此次可以正常連接此用戶(hù)。
4、查看SCOTT用戶(hù)的狀態(tài)：
conn sys/bitservice@ttonline as sysdba;
select * from dba_users where upper(username)='SCOTT';
ACCOUNT_STATUS:OPEN