原文地址
在SQL*Plus中执行如下命令: SQL>conn/as sysdba (操作系统认证登录) SQL>alter user system identified by system; (回车后用户system的密码会更改为system)
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注意:在执行更改语句“SQL>alter user system identified by system; (回车后用户system的密码会更改为system) ”的时候,如果所改的秘密为一串数字的话,要用引号括起来哦~
eg:SQL>alter user system identified by “12345678”;
SQL Plus位于SQL Developer同级目录下,点击SQL Developer,右键打开文件所在目录