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MySQL format function

MySQL FORMAT() function

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Description

MySQL FORMAT() converts a number to a format like ‘#,###,###.##’ which is rounded upto the number of decimal places specified (in the second argument) and returns the result as a string. There is no decimal point, if decimal place is defined as 0.

Syntax

FORMAT (N, D)

Arguments

Name Description
N A number which may be an integer, a decimal or a double.
D An integer which specifies up to how many decimal places the return value is going to contain.

MySQL Version : 5.6

Pictorial Presentation

MySQL FORMAT() pictorial presentation

Example : MySQL FORMAT() function

The following MySQL statement calculates up to 3 decimal places of 12324.2573, so it returns 12,324.257.

SELECT FORMAT(12324.2573,3);

Output

mysql> SELECT FORMAT(12324.2573,3);
+----------------------+
| FORMAT(12324.2573,3) |
+----------------------+
| 12,324.257           | 
+----------------------+
1 row in set (0.02 sec)

Example of MySQL format() function using where clause

The following statement will return those books from the book_mast table, whose prices are more than 150. The price is returned up to 4 decimal places as specified in the argument.

SELECT book_name,FORMAT(book_price,4) 
FROM book_mast
WHERE book_price>150;

Sample table : book_mast

Output

mysql> SELECT book_name,FORMAT(book_price,4) 
    -> FROM book_mast
    -> WHERE book_price>150;
+--------------------------------+----------------------+
| book_name                      | FORMAT(book_price,4) |
+--------------------------------+----------------------+
| Guide to Networking            | 200.0000             | 
| Transfer  of Heat and Mass     | 250.0000             | 
| Fundamentals of Thermodynamics | 225.0000             | 
| Concepts in Health             | 180.0000             | 
+--------------------------------+----------------------+
4 rows in set (0.05 sec)

PHP script

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>example-format-function - php mysql examples | w3resource</title>
<meta name="description" content="example-format-function - php mysql examples | w3resource">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-12">
<h2>list of books and their prices if the book priced more than 150. Prices are formatted upto four places after decimal:</h2>
<table class='table table-bordered'>
<tr> 
<th>Author's id</th><th>Prices</th>
</tr>
<?php
$hostname="your_hostname";
$username="your_username";
$password="your_password";
$db = "your_dbname";
$dbh = new PDO("mysql:host=$hostname;dbname=$db", $username, $password);
foreach($dbh->query('SELECT book_name,FORMAT(book_price,4) 
FROM book_mast 
WHERE book_price>150') as $row) {
echo "<tr>";
echo "<td>" . $row['book_name'] . "</td>";
echo "<td>" . $row['FORMAT(book_price,4)'] . "</td>";
echo "</tr>";
}
?>
</tbody></table>
</div>
</div>
</div>
</body>
</html>

View the example in browser

All String Functions

MySQL String Functions, slide presentation



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