layout: global title: DROP DATABASE displayTitle: DROP DATABASE license: | Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
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.
DROP { DATABASE | SCHEMA } [ IF EXISTS ] dbname [ RESTRICT | CASCADE ]
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.
-- 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;