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   <title> MySQL_Php.php </title> 

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  <body> 

   <?php 

   $conn=@mysql_connect("localhost","root","123") or die("连接错误"); 

   //mysql_select_db("test"); 

   mysql_select_db("test",$conn); 



   $sql="INSERT INTO `test`.`stuinfo` (`id`, `name`, `age`) VALUES ('7', 'xiao7', '7')"; 

   //$ret=mysql_query($sql); 

   $ret=mysql_query($sql,$conn); 



   var_dump($ret); 

   ?> 



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boolean true

 

boolean false