DROP DATABASE
Description
Drop a database and delete the directory associated with the database from the file system. An exception will be thrown if the database does not exist in the system.
Syntax
DROP ( DATABASE | SCHEMA ) [ IF EXISTS ] dbname [ RESTRICT | CASCADE ]Parameters
DATABASE | SCHEMA- `DATABASE` and `SCHEMA` mean the same thing, either of them can be used.
IF EXISTS- If specified, no exception is thrown when the database does not exist.
RESTRICT- If specified, will restrict dropping a non-empty database and is enabled by default.
CASCADE- If specified, will drop all the associated tables and functions.
Example
-- Create `inventory_db` Database
CREATE DATABASE inventory_db COMMENT 'This database is used to maintain Inventory';
-- Drop the database and it's tables
DROP DATABASE inventory_db CASCADE;
+---------+
| Result |
+---------+
+---------+
-- Drop the database using IF EXISTS
DROP DATABASE IF EXISTS inventory_db CASCADE;
+---------+
| Result |
+---------+
+---------+