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DELETE ROW DATA FORM MYSQL DATABASE USING PHP AND MY SQL

DELETE  ROW DATA FORM MYSQL DATABASE USING PHP AND MY SQL
<?php
$del_id=10;
mysql_connect("localhost","root","")or die('not connect');
mysql_select_db('grocery')or die('not connect');

$del=mysql_query("delete from data where slr_id='$del_id'") or die(mysql_error());
if($del){
header("location:admin.php");
}

?>
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