DROP VIEW

説明

DROP VIEW は指定されたビューに関連付けられたメタデータをカタログから削除します。

構文

DROP VIEW [ IF EXISTS ] view_identifier

パラメータ

-- 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;