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How to Delete a MySQL Database on Linux via Command Line
MySQL is the most popular open-source relational database management system.
This tutorial describes how to delete (or drop) a MySQL or MariaDB database through the command line.
Before you begin
All commands are executed as an administrative user (the minimum privilege required to delete a database is
DROP) or with a root account.
To access the MySQL console type the following command and enter your MySQL root user password when prompted:
mysql -u root -p
If you haven’t set a password for your MySQL root user you can omit the
List All MySQL Databases
Before dropping the database, you may want to view a list of all the databases you’ve created. To do so from within the MySQL shell execute the following command:
The command above will print a list of all databases on the server. The output should be similar to this:
+--------------------+ | Database | +--------------------+ | information_schema | | database_name | | mysql | | performance_schema | | test | +--------------------+ 5 rows in set (0.00 sec)
Delete a Database in MySQL
Deleting a MySQL database is as simple as running a single command. This is a non-reversible action and should be executed with caution. Make sure that you are not removing a wrong database, as once you delete the database it cannot be recovered.
To delete a database type the following command, where
database_name is the name of the database you want to delete:
DROP DATABASE database_name;
Query OK, 1 row affected (0.00 sec)
If you try to delete a database that doesn’t exist you will see the following error message:
ERROR 1008 (HY000): Can't drop database 'database_name'; database doesn't exist
To avoid seeing errors as above, use the following command instead:
DROP DATABASE IF EXISTS database_name;
Query OK, 1 row affected, 1 warning (0.00 sec)
In the output above,
Query OK means that the query was successful, and
1 warning tells us that the database doesn’t exists and no database was deleted.
Delete a MySQL Database with mysqladmin
You can also delete a MySQL database from the Linux terminal by using the mysqladmin utility.
For example, to delete a database named
database_name, type the following command and enter your MySQL root user password when prompted:
mysqladmin -u root -p drop database_name
You have learned how to delete a MySQL database.
Feel free to leave a comment if you have any questions.