PHP MySQL Create Database PHP

PHP MySQL Create Database  

PHP MySQL Create Database

PHP MySQL Create Database

Since PHP 4.3, mysql_create_db() function is deprecated. Now it is recommended to use one of the 2 alternatives.

  • mysqli_query()
  • PDO::__query()

PHP MySQLi Create Database Example

Example

  1. <?php  
  2. $host = 'localhost:3306';  
  3. $user = '';  
  4. $pass = '';  
  5. $conn = mysqli_connect($host, $user, $pass);  
  6. if(! $conn )  
  7. {  
  8.   die('Could not connect: ' . mysqli_connect_error());  
  9. }  
  10. echo 'Connected successfully<br/>';  
  11.   
  12. $sql = 'CREATE Database mydb';  
  13. if(mysqli_query( $conn,$sql)){  
  14.   echo "Database mydb created successfully.";  
  15. }else{  
  16. echo "Sorry, database creation failed ".mysqli_error($conn);  
  17. }  
  18. mysqli_close($conn);  
  19. ?>  

Output:

Connected successfully
Database mydb created successfully.

Example (MySQLi Object-oriented)

<?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);


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

$conn->close();
?>
 

Note: When you create a new database, you must only specify the first three arguments to the mysqli object (servername, username and password).

Tip: If you have to use a specific port, add an empty string for the database-name argument, like this: new mysqli("localhost", "username", "password", "", port);

 


Example (MySQLi Procedural)

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

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

// Create database
$sql = "CREATE DATABASE myDB";
if (mysqli_query($conn, $sql)) {
    echo "Database created successfully";
} else {
    echo "Error creating database: " . mysqli_error($conn);
}

mysqli_close($conn);
?>
 

Note: The following PDO example create a database named "myDBPDO":

Example (PDO)

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

try {
    $conn = new PDO("mysql:host=$servername", $username, $password);
    // set the PDO error mode to exception
    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    $sql = "CREATE DATABASE myDBPDO";
    // use exec() because no results are returned
    $conn->exec($sql);
    echo "Database created successfully<br>";
    }
catch(PDOException $e)
    {
    echo $sql . "<br>" . $e->getMessage();
    }

$conn = null;
?>
 

Tip: A great benefit of PDO is that it has exception class to handle any problems that may occur in our database queries. If an exception is thrown within the try{ } block, the script stops executing and flows directly to the first catch(){ } block. In the catch block above we echo the SQL statement and the generated error message.

 

Download free E-book of PHP


#askProgrammers
Learn Programming for Free


Join Programmers Community on Telegram


Talk with Experienced Programmers


Just drop a message, we will solve your queries