php
MySQL DELETE Query
The MySQL DELETE statement is used to delete data from the MySQL table within the database. By using delete statement.
Syntax

DELETE FROM table_name WHERE column_name = some_value

MySQL query using the DELETE statement and WHERE clause, after that we will execute this query through passing it to the PHP mysqli_query() function to student_details_2 the tables records. The following student_detail_2 table inside the demo database :

ID Name College Email ID Mobile
1 Chanti SV College chanti@freetimelearn.com 9966463846
2 Ramana Reddy Vidhyanikethan ramana@freetimelearn.com 9963666068
3 Roja Reddy Vidhyalaya roja@freetimelearn.com 99010023210
4 V V R R Narayana vvrr@freetimelearn.com 9182401686
MySQLi DELETE Query(Procedural)
<!DOCTYPE html>
<html>
<head>
	<title>PHP MySQL DELETE Query</title>
</head>
<body>

<?php
	
	// Create connection
	$ftl_connect = mysqli_connect("localhost", "root", "", "ftl_db");
	// Check connection
	if (!$ftl_connect) {
		die("Connection failed: " . mysqli_connect_error());
	}
	
	// sql to delete a record
	$sql = "DELETE FROM student_details_2 WHERE stu_id=4";
	
	if (mysqli_query($ftl_connect, $sql)) {
		echo "Record has successfully deleted..!";
	} else {
		echo "Error deleting record : " . mysqli_error($ftl_connect);
	}
	//Close Connection
	mysqli_close($ftl_connect);
	
?>


</body>
</html>
MySQLi DELETE Query(Object-oriented)
<!DOCTYPE html>
<html>
<head>
	<title>PHP MySQL DELETE Query</title>
</head>
<body>

<?php
	
	// Create connection
	$ftl_connect = mysqli_connect("localhost", "root", "", "ftl_db");
	// Check connection
	if ($ftl_connect->connect_error) {
		die("Connection failed: " . $ftl_connect->connect_error);
	} 
	
	// sql to delete a record
	$sql = "DELETE FROM student_details_2 WHERE stu_id=4";
	
	if ($ftl_connect->query($sql) === TRUE) {
		echo "Record has successfully deleted..!";
	} else {
		echo "Error deleting record : " . $ftl_connect->error;
	}
	//Close Connection
	$ftl_connect->close();

?>


</body>
</html>
MySQL DELETE Query (PDO)
<!DOCTYPE html>
<html>
<head>
	<title>PHP MySQL DELETE Query</title>
</head>
<body>

<?php
	try {
		$ftl_connect = new PDO("mysql:host=localhost;dbname=ftl_db", "root", "");
		// set the PDO error mode to exception
		$ftl_connect->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
	
		// sql to delete a record
		$sql = "DELETE FROM student_details_2 WHERE stu_id=4";
	
		// use exec() because no results are returned
		$ftl_connect->exec($sql);
		echo "Record has successfully deleted..!";
		}
	catch(PDOException $e)
		{
		echo $sql . "<br>" . $e->getMessage();
		}
	//Close Connection
	$ftl_connect = null;
?>

</body>
</html>
Output :
ID Name College Email ID Mobile
1 Chanti SV College chanti@freetimelearn.com 9966463846
2 Ramana Reddy Vidhyanikethan ramana@freetimelearn.com 9963666068
3 Roja Reddy Vidhyalaya roja@freetimelearn.com 99010023210