Oracle 11g用户修改密码及加锁解锁功能实例代码

alter user identityName identified by password; —–修改密码 alter user identityName account unlock; —–解锁 alter user identityName account lock; —–加锁 identityName:需要修改的用户； password：新设密码；

SQL> conn sys/sys as sysdbaConnected.SQL> show userUSER is "SYS"SQL> alter user hr account unlock;（解锁）User altered.SQL> alter user hr identified by *password*;（更改密码，这一步是必需的，否则hr模式还是不能使用的）User altered.到这里hr模式就可以使用了,试试：SQL> conn hr/*password*Connected.SQL> show userUSER is "HR"----------------------------------相反的SQL> alter user hr account lock;（上锁）User altered.SQL> alter user hr password expire;（密码失效）User altered.SQL> conn hr/*password*ERROR:ORA-28000: the account is lockedWarning: You are no longer connected to ORACLE.