| --- |
| layout: global |
| title: DROP VIEW |
| displayTitle: DROP VIEW |
| 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 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| --- |
| |
| ### Description |
| |
| `DROP VIEW` removes the metadata associated with a specified view from the catalog. |
| |
| ### Syntax |
| |
| ```sql |
| DROP VIEW [ IF EXISTS ] view_identifier |
| ``` |
| |
| ### Parameter |
| |
| * **IF EXISTS** |
| |
| If specified, no exception is thrown when the view does not exist. |
| |
| * **view_identifier** |
| |
| Specifies the view name to be dropped. The view name may be optionally qualified with a database name. |
| |
| **Syntax:** `[ database_name. ] view_name` |
| |
| ### Examples |
| |
| ```sql |
| -- Assumes a view named `employeeView` exists. |
| DROP VIEW employeeView; |
| |
| -- Assumes a view named `employeeView` exists in the `userdb` database |
| DROP VIEW userdb.employeeView; |
| |
| -- Assumes a view named `employeeView` does not exist. |
| -- Throws exception |
| DROP VIEW employeeView; |
| Error: org.apache.spark.sql.AnalysisException: Table or view not found: employeeView; |
| (state=,code=0) |
| |
| -- Assumes a view named `employeeView` does not exist,Try with IF EXISTS |
| -- this time it will not throw exception |
| DROP VIEW IF EXISTS employeeView; |
| ``` |
| |
| ### Related Statements |
| |
| * [CREATE VIEW](sql-ref-syntax-ddl-create-view.html) |
| * [ALTER VIEW](sql-ref-syntax-ddl-alter-view.html) |
| * [SHOW VIEWS](sql-ref-syntax-aux-show-views.html) |
| * [CREATE DATABASE](sql-ref-syntax-ddl-create-database.html) |
| * [DROP DATABASE](sql-ref-syntax-ddl-drop-database.html) |