http://blog.youkuaiyun.com/bineon/archive/2004/03/31/20489.aspx http://blog.youkuaiyun.com/bineon/archive/2004/04/07/20490.aspx http://blog.youkuaiyun.com/bineon/archive/2004/07/08/37306.aspx

1，关闭数据库，shutdown immediate;2，删除/重命名以前的password文件，e.g: rm $ORACLE_HOME/dbs/pwdxxx;3，重建password文件。e.g: orapwd file=$ORACLE_HOME/dbs/orapwSID password=password entries=(*这里要注意：密码文件名是：orapwSID, entrie