Mysql alter view

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.

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. Can I create view with. At view definition time, the view creator must have the privileges needed to use the top-level objects accessed by the view. For example, if the view definition refers to table columns, the creator must have some privilege for each column in the select list of the definition, and the SELECT privilege for each column used elsewhere in the definition. In SQL, a view is a virtual table based on the result-set of an SQL statement.

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. You can add SQL functions, WHERE, and JOIN statements to a view and present the data as if the data were coming from one single table.

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Views allow to encapsulate or “hide” complexities, or allow limited read access to part of the data. To create a view , use the. Note that it is sometimes possible to create updatable views based on multiple tables using an inner join.

Let’s create an updatable view. First, we create a view named officeInfo based on the offices table in the sample database. Place a check in the OR REPLACE field. In the VIEW name put the name of the view you are going to update.

MySQL updatable view example. How to create view in mysql, alter view in mysql syntax, join multiple table in view , use table alias name in view , drop view , setting user. Listed below is example SQL generated by the Alter View Tool. You can use ALTER VIEW in conjunction with the information schema.

Content reproduced on this site is the property of the respective copyright holders. If you want to explicitly create a view in a given database, you can qualify the view name with the database name.