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  1)mysql -uroot -p, ÊäÈëÃÜÂëºó½øÈëmysqlÌáʾ·û£º
   mysql> use mysql
mysql> select host, user from user;
+---------------+------------------+
| host | user |
+---------------+------------------+
| 127.0.0.1 | root |
| localhost | debian-sys-maint |
| localhost | root |
+---------------+------------------+
   ´ÓÏÔʾ½á¹û¿´³öÖ»ÔÊÐí±¾µØÓû§µÇ¼£¬ ËùÒÔÐèÒª¼ÓÈëÔÊÐíµÄIPµØÖ·Óû§£»
   mysql> GRANT ALL on *.* to root@192.168.0.105 IDENTIFIED BY 'password';
mysql> flush privileges;
mysql> select host, user from user;
+---------------+------------------+
| host | user |
+---------------+------------------+
| 127.0.0.1 | root |
| 192.168.0.105 | root |
| localhost | debian-sys-maint |
| localhost | root |
+---------------+------------------+
  
  ±¾ÒÔΪÏÖÔÚ´ÓIPµØÖ·Îª192.168.0.105µÄÓû§¿ÉÒÔÓÃrootºÍÃÜÂëpasswordÁ´½Óµ½mysqlÁË£¬¿ÉÊÇÁ´½Ó»¹ÊdzöÏÖ2003µÄ´íÎóºÅ£»
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2) suµ½rootÕʺţ¬È»ºó£º
$ vi /etc/mysql/my.cnf
ÕÒµ½ bind-address           = 127.0.0.1
¸ÄΪ bind-address           = 192.168.0.102
¸ÄÍê±£´æºó£¬ Ö´ÐÐ service mysql restart ÖØÆômysql£¬ ÔÙ´ÎÁ´½Ó¸ã¶¨¡£
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/*
 * Created on 2010-1-6
 * Author:CHAUVET
 * Function:Á¬½Ó×Ö·û´®
 */
 $conn=@mysql_connect("localhost","root","")or die("Á¬½ÓÊý¾Ý¿â³ö´í£¡");
 mysql_select_db("newdb",$conn);
 mysql_query("set names 'gb2312'");
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