8/25/2023 0 Comments Mysql create view with variableThird, click the Apply button to apply the change. MySQL Workbench opens a confirmation window. If you want to revert the change, click the Revert button: Second, change the DDL of the view and click the Apply button to confirm the changes. MySQL Workbench will open an editor that displays the view’s DDL. Because you need to see the whole view definition before changing it.įirst, open the Views, right-click the view that you want to modify, and select Alter View… menu item: Using MySQL Workbench to modify an existing view is more practical. Third, use the ALTER VIEW statement to change the processing algorithm of the view from UNDEFINED to MERGE and add customerNumber column to the view: ALTERĪLGORITHM= MERGE VIEW salesOrders AS SELECTįinally, show the view information to see the effect: SHOW CREATE VIEW salesorders Ĭode language: SQL (Structured Query Language) ( sql ) 2) ALTER VIEW using MySQL Workbench Second, query data from the view salesorders: SHOW CREATE VIEW salesorders 1) ALTER VIEW simple exampleįirst, create a view based on the orders and orderdetails tables: CREATE VIEW salesOrders AS SELECTĬode language: SQL (Structured Query Language) ( sql ) ![]() See the following tables orders and orderdetails from the sample database. The syntax of the ALTER VIEW is similar to the CREATE VIEW statement: ALTERĬode language: SQL (Structured Query Language) ( sql ) MySQL ALTER VIEW examples The MySQL ALTER VIEW statement changes the definition of an existing view. Introduction to MySQL ALTER VIEW statement Summary: in this tutorial, you will learn how to use the MySQL ALTER VIEW to modify the definition of an existing view.
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