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
|SCHEMADATABASEandSCHEMAmean 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.
Examples
-- 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;
-- Drop the database using IF EXISTS
DROP DATABASE IF EXISTS inventory_db CASCADE;