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PHP MySQL Create Database

In this tutorial you will learn how to create a database in MySQL using PHP.

Creating MySQL Database Using PHP

Now that you've understood how to open a connection to the MySQL database server. In this tutorial you will learn how to execute SQL query to create a database.

Before saving or accessing the data, we need to create a database first. The CREATE DATABASE statement is used to create a new database in MySQL.

Let's make a SQL query using the CREATE DATABASE statement, after that we will execute this SQL query through passing it to the PHP mysqli_query() function to finally create our database. The following example creates a database named demo.

Example

Procedural Object Oriented PDO
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<?php
/* Attempt MySQL server connection. Assuming you are running MySQL
server with default setting (user 'root' with no password) */
$link = mysqli_connect("localhost", "root", "");
 
// Check connection
if($link === false){
    die("ERROR: Could not connect. " . mysqli_connect_error());
}
 
// Attempt create database query execution
$sql = "CREATE DATABASE demo";
if(mysqli_query($link, $sql)){
    echo "Database created successfully";
} else{
    echo "ERROR: Could not able to execute $sql. " . mysqli_error($link);
}
 
// Close connection
mysqli_close($link);
?>
<?php
/* Attempt MySQL server connection. Assuming you are running MySQL
server with default setting (user 'root' with no password) */
$mysqli = new mysqli("localhost", "root", "");
 
// Check connection
if($mysqli === false){
    die("ERROR: Could not connect. " . $mysqli->connect_error);
}
 
// Attempt create database query execution
$sql = "CREATE DATABASE demo";
if($mysqli->query($sql) === true){
    echo "Database created successfully";
} else{
    echo "ERROR: Could not able to execute $sql. " . $mysqli->error;
}
 
// Close connection
$mysqli->close();
?>
<?php
/* Attempt MySQL server connection. Assuming you are running MySQL
server with default setting (user 'root' with no password) */
try{
    $pdo = new PDO("mysql:host=localhost;", "root", "");
    // Set the PDO error mode to exception
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch(PDOException $e){
    die("ERROR: Could not connect. " . $e->getMessage());
}
 
// Attempt create database query execution
try{
    $sql = "CREATE DATABASE demo";
    $pdo->exec($sql);
    echo "Database created successfully";
} catch(PDOException $e){
    die("ERROR: Could not able to execute $sql. " . $e->getMessage());
}
 
// Close connection
unset($pdo);
?>

Tip: Setting the PDO::ATTR_ERRMODE attribute to PDO::ERRMODE_EXCEPTION tells PDO to throw exceptions whenever a database error occurs.

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