oracle180天后用户失效，已锁定

1. 启动sqlplus

2. 请输入用户名:  sqlplus/as sysdba

3. 输入口令: 直接回车

4. 连接到:
   
      oracle database 11g enterprise edition release 11.2.0.1.0 - production
   
      with the partitioning, olap, data mining and real application testing options
   
      sql>alter user scott account unlock;//解除锁定
   --再给用户修改密码
     sql>alter user MOON identified by moon;
   
   
     就搞定啦！