DROP VIEW
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;