How to change views in MySQL?

In MySQL, you can use the CREATE OR REPLACE VIEW statement to modify a view. The specific steps are as follows:

1. Drop the existing view using the DROP VIEW statement (optional).
2. If the view exists, drop it.
3. Create a new view using the CREATE OR REPLACE VIEW statement.
4. Create a new view called view_name that includes columns column1, column2, etc. from table_name with the condition specified.
5. Modify an existing view using the ALTER VIEW statement (optional).
6. Create a view named view_name that selects specific columns from a table based on a condition.

Note: Changes to a view will only affect the definition of the view and will not impact the data of the tables the view depends on. If you want to update the data in a view, you will need to use the UPDATE statement or modify the data in the tables that the view relies on.