MySQL is very popular opensource database it is used by a lot of different type and size companies. In this post we will look how to drop or delete MySQL databases?
Drop Database
Dropping/Deleting/Removing a database in MySQL server is simple and fast solution which will delete data as well as table and database schemes. We will command to the local MySQL server daemon whit root privileges.
1 | $ sudo mysql -u root |
We will list existing databases to get database name and do not make mistake.
1 | show databases; |
We will drop database names test. Syntax of drop is simple like below. We issue command DROP DATABASE and provide database name as in this example test.
1 | DROP DATABASE test; |
Drop All Tables In A Database
Another alternative is dropping all tables one by one or with a simple script. Here database will be not removed but the tables of the database will be deleted.
1 2 3 4 5 6 7 8 9 10 11 | SET FOREIGN_KEY_CHECKS = 0; SET @tables = NULL; SELECT GROUP_CONCAT(table_schema, '.', table_name) INTO @tables FROM information_schema.tables WHERE table_schema = 'database_name'; -- specify DB name here. SET @tables = CONCAT('DROP TABLE ', @tables); PREPARE stmt FROM @tables; EXECUTE stmt; DEALLOCATE PREPARE stmt; SET FOREIGN_KEY_CHECKS = 1; |
