Member Avatar for gazzy1

can php pages use the sql database

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  • Latest Post Latest Post by debasisdas

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Short answer: yes — PHP can talk to any SQL-based database as long as the right driver is available. As noted, SQL is a language used by different engines; as said, PHP needs the correct extension or driver to connect. For new code prefer PDO for portability or use MySQLi if you need MySQL-specific features.

A minimal PDO pattern (safe and portable):

$pdo = new PDO('mysql:host=localhost;dbname=your_db;charset=utf8mb4', 'dbuser', 'dbpass', [
    PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
]);

$stmt = $pdo->prepare('SELECT id, name FROM users WHERE email = ?');
$stmt->execute([$email]);
$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);

Check that the PHP extensions are enabled (look at phpinfo() or run php -m) and enable pdo_mysql or mysqli if needed. Use prepared statements or parameterized queries to avoid SQL injection. Set the connection charset to utf8mb4 for full Unicode support. Avoid the old mysql_* functions (they are removed in modern PHP). Give your web user only the minimum database privileges required. For details on APIs see the PHP manual pages for PDO (book.pdo) and MySQLi (book.mysqli).

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Member Avatar for gunnarflax

That depends on which SQL-database you are talking about because SQL is a language which is used by plenty of databases. Some of them are: MySQL, PostgreSQL, Firebird.

But I believe you are talking about the MySQL database and yes, MySQL is extensively supported in PHP.

Member Avatar for debasisdas

Yes, you can connect to any database from PHP if you know the connection method and have the proper drivers.

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