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