stname VARCHAR(30) NOT NULL, lastname VARCHAR(30) NOT NULL, email VARCHAR(50), reg_date TIMESTAMP )"; if ($conn->query($sql) === TRUE) {    echo "Table MyGuests created successfully";} else {    echo "创建数据表错误: " . $conn->error;} $conn->close();?>


实例 (MySQLi - 面向过程)

<?php$servername = "localhost";$username = "username";$password = "password";$dbname = "myDB"; // 创建连接$conn = mysqli_connect($servername, $username, $password, $dbname);// 检测连接if (!$conn) {    die("连接失败: " . mysqli_connect_error());} // 使用 sql 创建数据表$sql = "CREATE TABLE MyGuests ( id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY, firstname VARCHAR(30) NOT NULL, lastname VARCHAR(30) NOT NULL, email VARCHAR(50), reg_date TIMESTAMP )"; if (mysqli_query($conn, $sql)) {    echo "数据表 MyGuests 创建成功";} else {    echo "创建数据表错误: " . mysqli_error($conn);} mysqli_close($conn);?>


实例 (PDO)

<?php$servername = "localhost";$username = "username";$password = "password";$dbname = "myDBPDO"; try {    $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);    // 设置 PDO 错误模式，用于抛出异常    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);    // 使用 sql 创建数据表    $sql = "CREATE TABLE MyGuests (    id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,    firstname VARCHAR(30) NOT NULL,    lastname VARCHAR(30) NOT NULL,    email VARCHAR(50),    reg_date TIMESTAMP    )";    // 使用 exec() ，没有结果返回    $conn->exec($sql);    echo "数据表 MyGuests 创建成功";}catch(PDOException $e){    echo $sql . "<br>" . $e->getMessage();} $conn = null;?>