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MySQL - Drop table if exists
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In this article, we would like to show you how to DROP TABLE IF EXISTS in MySQL.
Quick solution:
DROP TABLE IF EXISTS `table_name`;
Practical example
To show how the DROP TABLE IF EXISTS statement works, we will use the following table:
Note:
At the end of this article you can find database preparation SQL queries.
Example
In this example, we will delete the users table.
Query:
DROP TABLE IF EXISTS `users`;
Output:
Database preparation
create_tables.sql file:
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:
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');