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MySQL - Views Part 2: Managing Views

MySQL provides commands to manage views, including updating and deleting them.

Updating a View

You can redefine an existing view using the CREATE OR REPLACE syntax.

Example 1:

CREATE OR REPLACE VIEW EmployeeInfo AS

SELECT name, department

FROM employees;

Deleting a View

To remove a view, use the DROP VIEW command.

Example 2:

DROP VIEW EmployeeInfo;

Checking Existing Views

Example 3:

SHOW FULL TABLES WHERE TABLE_TYPE = 'VIEW';

Explanation:

Managing views effectively ensures database optimization and maintains the integrity of the queries they abstract.