EN
MySQL - SELECT DISTINCT statement
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In this article, we would like to show you how to use SELECT DISTINCT statement in MySQL.
Quick solution:
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SELECT DISTINCT `column1`, `column2`, `columnN`2
FROM `table_name`;To show how the SELECT DISTINCT statement works, we will use the following table:
Note:
At the end of this article you can find database preparation SQL queries.
In this example, we will display unique countries from the users table.
Query:
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SELECT DISTINCT `country`2
FROM `users`;Output:
create_tables.sql file:
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CREATE TABLE `users` (2
`id` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,3
`name` VARCHAR(100) NOT NULL,4
`country` VARCHAR(15) NOT NULL,5
PRIMARY KEY (`id`)6
)7
ENGINE=InnoDB; insert_data.sql file:
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INSERT INTO `users`2
(`name`, `country`)3
VALUES4
('Tom', 'Poland'),5
('Chris', 'Belgium'),6
('Jack', 'Belgium'),7
('Kate', 'Algeria'),8
('Denis', 'Germany'),9
('Matt', 'Germany');