Alter view mysql

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ALTER VIEW is permitted only to the definer or users with the SET_USER_ID or SUPER privilege. CREATE VIEW Statement”). Because you need to see the whole view definition before changing it.

Modifying views using ALTER VIEW statement. Once a view is create you can modify it using the ALTER VIEW statement. ALTER VIEW wirkt sich nicht auf abhängige gespeicherte Prozeduren oder Trigger aus und ändert keine Berechtigungen. ALTER VIEW does not affect dependent stored procedures or triggers and does not change permissions. To execute ALTER VIEW , at a minimum, ALTER permission on OBJECT is required.

The following example creates a view that contains all employees and their hire dates called EmployeeHireDate. Permissions are granted. A view contains rows and columns, just like a real table. The fields in a view are fields from one or more real tables in the database. Ask Question Asked years, months ago.

Active years, months ago. I have created a view vw_extr. Now I want to rename it vw_my. Is it possible to change the datatype of a column. Place a check in the OR REPLACE field.

In the VIEW name put the name of the view you are going to update. View deutscher Fahrzeuge dahin, dass die Sortierung nach Hersteller fest eingebaut wird. The ALTER TABLE statement is used to ad delete, or modify columns in an existing table.

The ALTER TABLE statement is also used to add and drop various constraints on an existing table. Use the ALTER VIEW statement to explicitly recompile a view that is invalid or to modify view constraints. Explicit recompilation lets you locate recompilation errors before run time. You may want to recompile a view explicitly after altering one of its base tables to ensure that the alteration does not affect the view or.

Programs are provided to query the view and to delete the view. In diesem Beispiel fügen wir die Spalten address und city zur VIEW hinzu. Its contents are the resultant of base table. The VIEW can be treated as a base table and it can be QUERIE UPDATE INSERTED INTO, DELETED FROM and JOINED with other tables and views.

These restrictions enforce that altering the owner doesn't do anything you couldn't do by dropping and recreating the view. However, a superuser can alter ownership of any view anyway. SQL ALTER TABLE Statement.