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<p><FONT class=normalfont><B><font color=blue>如何为用户设置密码</font></B></FONT><BR><FONT class=smallfont color=#ff9900>2004-04-23 15:18 pm</FONT><BR><FONT class=normalfont>作者：作者<br>来自：Linux知识宝库<br>联系方式：无名<br><br> 当初次在机器上安装完mysql时， 你可以匿名进行访问数据库或者以不带口令的root身<br>
份进入数据库。另外如果你是一个管理员，你还要进行一些用户的建立及授权，这又涉及到<br>
设置密码的问题。下面我们就讨论一下如何设置密码：<br>
首先我们应该知道mysql数据库中的口令存储必须用password()函数加密它。因为在user<br>
表中是以加密形式存储口令，而不是作为纯文本。如果你没有加密，直接在数据库中执行以下<br>
语句:<br>
use mysql<br>
insert into user (host,user,password) values('%','user_name','your password');<br>
flush privileges;<br>
相信结果不会让你满意。因为服务器比较的是加密的值，所以服务器连接一定失败。这<br>
里需要说明的是"flush privileges;"，这条命令重新加载授权表。你也可以在shell下直接<br>
用mysqladmin -u root reload或者mysqladmin -u root flush-privileges来实现重载授权<br>
表。<br>
在mysql环境下，你可以使用以下语句进行设置密码：<br>
1. insert into user(host,user,password) values('%','user_name',<br>
password("your password");<br>
2. set password for user_name = password("your password")<br>
以上两种方法都必须进行重载授权表.<br>
3.当然你也可以在创建一个用户时直接设置密码,grant语句将为你自动加密口令.<br>
如<br>
grant all on *.* to user_name@% identified by "your password";<br>
另外你也可以在shell环境下用mysqladmin程序来设置密码<br>
如<br>
mysqladmin -u root password "your password"<br>
快点去试一下,没问题吧!<br>
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