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PHP Hapus Data Dari MySQL

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Hapus Data Dari Tabel MySQL Menggunakan MySQLi dan PDO

Pernyataan DELETE digunakan untuk menghapus catatan dari tabel:

DELETE FROM table_name
WHERE some_column = some_value

Perhatikan klausa WHERE dalam sintaks DELETE: Klausa WHERE menentukan yang merekam atau catatan yang harus dihapus. Jika Anda menghilangkan klausa WHERE, semua catatan akan dihapus!

Untuk mempelajari lebih lanjut tentang SQL, kunjungi SQL tutorial .

Mari kita lihat di "MyGuests" tabel:

id nama depan nama keluarga e-mail reg_date
1 John Kelinci betina [email protected] 2014/10/22 14:26:15
2 Mary moe [email protected] 2014/10/23 10:22:30
3 Julie Dooley [email protected] 2014/10/26 10:48:23

Contoh berikut menghapus catatan dengan id = 3 dalam "MyGuests" tabel:

Contoh (MySQLi Object-oriented)

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

// sql to delete a record
$sql = "DELETE FROM MyGuests WHERE id=3";

if ($conn->query($sql) === TRUE) {
    echo "Record deleted successfully";
} else {
    echo "Error deleting record: " . $conn->error;
}

$conn->close();
?>

Contoh (MySQLi Procedural)

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);
// Check connection
if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
}

// sql to delete a record
$sql = "DELETE FROM MyGuests WHERE id=3";

if (mysqli_query($conn, $sql)) {
    echo "Record deleted successfully";
} else {
    echo "Error deleting record: " . mysqli_error($conn);
}

mysqli_close($conn);
?>

Contoh (PDO)

<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDBPDO";

try {
    $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);
    // set the PDO error mode to exception
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

    // sql to delete a record
    $sql = "DELETE FROM MyGuests WHERE id=3";

    // use exec() because no results are returned
    $conn->exec($sql);
    echo "Record deleted successfully";
    }
catch(PDOException $e)
    {
    echo $sql . "<br>" . $e->getMessage();
    }

$conn = null;
?>

Setelah catatan dihapus, meja akan terlihat seperti ini:

id nama depan nama keluarga e-mail reg_date
1 John Kelinci betina [email protected] 2014/10/22 14:26:15
2 Mary moe [email protected] 2014/10/23 10:22:30

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