个回答

• 玩转IT

  2016-05-10 13:56:03

  已采纳

  http://jingyan.baidu.com/article/5225f26b0d3555e6fa09083b.html希望能帮到你

  0

• 小鑫窝_2020

  2016-11-18 21:14:17

  alter user system account unlock;

  alter user system identified by '******';

  0

• 慕用1536416

  2016-10-12 16:49:06

  重新设置一下

  sqlplus / as sysdba
  alter user sys identified by ***

  0