MySQL Create DB

Creating a MySQL Database with PHP （使用PHP创建MySQL数据库）

In this article, we will guide you through the process of creating a MySQL database using PHP. This tutorial assumes that you have a basic understanding of PHP and MySQL, as well as a development environment set up on your computer. （在本文中，我们将引导您完成使用PHP创建MySQL数据库的过程。本教程假设您对PHP和MySQL有基本的了解，并且在您的计算机上设置了开发环境。）

Connecting to the MySQL Server #

Connecting to the MySQL Server （连接到MySQL服务器）

The first step in creating a MySQL database with PHP is to connect to the MySQL server. This can be done using the mysqli extension, which provides an object-oriented interface for working with MySQL databases. （使用PHP创建MySQL数据库的第一步是连接到MySQL服务器。这可以使用mysqli扩展来完成，它提供了一个面向对象的接口来处理MySQL数据库。）

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

// Create connection
$conn = new mysqli($servername, $username, $password);

// Check connection
if ($conn->connect_error) {
   die("Connection failed: " . $conn->connect_error);
}
echo "Connected successfully";
?>

Creating the Database #

Creating the Database （创建数据库）

Once you have established a connection to the MySQL server, you can create the database using the CREATE DATABASE statement. （建立与MySQL服务器的连接后，可以使用CREATE DATABASE语句创建数据库。）

<?php
// Create database
$sql = "CREATE DATABASE myDB";
if ($conn->query($sql) === TRUE) {
   echo "Database created successfully";
} else {
   echo "Error creating database: " . $conn->error;
}
$conn->close();
?>

Creating Tables #

Creating Tables （创建表完成）

The next step is to create tables within the database. This can be done using the CREATE TABLE statement, followed by the name of the table and a list of columns and their data types. （下一步是在数据库中创建表。这可以使用CREATE TABLE语句完成，后跟表的名称和列及其数据类型的列表。）

<?php
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);

// Check connection
if ($conn->connect_error) {
   die("Connection failed: " . $conn->connect_error);
}

// sql to create table
$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 DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
)";

if ($conn->query($sql) === TRUE) {
   echo "Table MyGuests created successfully";
} else {
   echo "Error creating table: " . $conn->error;
}

$conn->close();
?>

Conclusion #

Conclusion （小结）

By following these steps, you should now be able to create a MySQL database using PHP. This will provide you with a solid foundation for building more complex applications and working with data stored in a MySQL database. Don’t hesitate to reach out if you have any questions or need further assistance. （按照这些步骤，您现在应该能够使用PHP创建MySQL数据库。这将为构建更复杂的应用程序和处理存储在MySQL数据库中的数据奠定坚实的基础。如果您有任何疑问或需要进一步的帮助，请随时联系我们。）