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MySQL - MAX() function example

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Created by:

maxsior322

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In this article, we would like to show you how to use MAX() function in MySQL.

Quick solution:

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SELECT MAX(`column_name`) FROM `table_name`;

Practical example

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To show how the MAX() function works, we will use the following table:

Note:

At the end of this article you can find database preparation SQL queries.

Example

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In this example, we will display the largest salary value.

Query:

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SELECT MAX(`salary`) AS `maximum salary` FROM `users`;

Output:

Database preparation

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create_tables.sql file:

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CREATE TABLE `users` (
    `id` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
    `name` VARCHAR(50) NOT NULL,
    `surname` VARCHAR(50) NOT NULL,
    `department_id` INT(10) UNSIGNED,
    `salary` DECIMAL(15,2) NOT NULL,
    PRIMARY KEY (`id`)
);

insert_data.sql file:

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INSERT INTO `users`
    ( `name`, `surname`, `department_id`, `salary`)
VALUES
    ('John', 'Stewart', 1, '3512.00'),
    ('Chris', 'Brown', 2, '1344.00'),
    ('Kate', 'Lewis', 3, '6574.00'),
    ('Ailisa', 'Gomez', NULL, '6500.00'),
    ('Gwendolyn', 'James', 2, '4200.00'),
    ('Simon', 'Collins', 4, '3320.00'),
    ('Taylor', 'Martin', 2, '1500.00'),
    ('Andrew', 'Thompson', NULL, '2100.00');