ORA-28001

 1 sqlplus / as sysdba
 2 
 3 alter user 账号名 account unlock;
 4 
 5 exit
 6 
 7 -----------------------------------------
 8 
 9 sqlplus
10 
11 输入用户名   密码 后
12 
13 新密码
14 
15 ---------------------------------------------------------------------
16 
17 sqlplus / as sysdba
18 
19 ALTER PROFILE DEFAULT LIMIT PASSWORD_LIFE_TIME UNLIMITED;
20 
21 exit