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sql-ref-syntax-ddl-drop-view.md

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DROP VIEW
DROP VIEW
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

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

-- 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;

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