SQL DELETE VIEW

The SQL DELETE VIEW statement is used to delete a view in a database. A view is a virtual table whose contents are defined by a SELECT statement.

Syntax

The syntax for the SQL DELETE VIEW statement is as follows:

DROP VIEW view_name;

• view_name: The name of the view to be deleted.

Example

Consider the following view named employee_info:

CREATE VIEW employee_info AS
SELECT emp_id, first_name, last_name, salary
FROM employees
WHERE department = 'Sales';

To delete this view, we can use the SQL statement:

DROP VIEW employee_info;

Output

Upon executing the above SQL statement, the view employee_info will be deleted from the database.

Explanation

Views are virtual tables created from the result of a SELECT query. They are used to simplify complex queries and provide an additional level of security. However, if the views are no longer required, they can be deleted using the SQL DELETE VIEW statement.

Use

The SQL DELETE VIEW statement is used to delete a view in a database. This can be useful in cases when a view is no longer required or when it needs to be updated with new information.

Important Points

• Views are virtual tables created from the result of a SELECT query.
• The SQL DELETE VIEW statement is used to delete a view in a database.
• Views can be deleted if they are no longer required or if they need to be updated with new information.

Summary

In summary, the SQL DELETE VIEW statement is used to delete a view in a database. This statement helps to manage database resources and ensure that only the necessary views are stored in the database.