<a href="http://dev.mysql.com/doc/refman/5.1/zh/database-administration.html#privilege-system">http://dev.mysql.com/doc/refman/5.1/zh/database-administration.html#privilege-system</a>
<a href="http://dev.mysql.com/doc/refman/5.1/zh/database-administration.html#privilege-system">http://dev.mysql.com/doc/refman/5.1/zh/database-administration.html#privilege-system</a>
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