PHP操作数据库：select 操作操作

<?php
             $conn= mysql_connect("127.0.0.1","root","root");
             mysql_select_db("tools",$conn);
             $result= mysql_query("select * from admin");
             while($row=mysql_fetch_array($result))
             {
                 echo $row["name"]." ".$row["pass"];
                 echo"</br>";
             }
             mysql_close($conn);

?>

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