Rename view postgresql

ALTER VIEW changes the definition of a view. The only currently available functionality is to rename the view. To execute this command you must be the owner of the view. I looked at the documentation, the syntax is : ALTER MATERIALIZED VIEW my_ view _name RENAME COLUMN old_name TO new.

To rename multiple tables, you have to execute multiple ALTER TABLE RENAME TO statements. We create a new table named vendors for the sake of demonstration. Check and terminate all active connections to the database that is being renamed.

Use the ALTER DATABASE statement to rename the database to. PostgreSQL rename table examples. Notice that a view does not store data physically except for a materialized view.

You can use ALTER TABLE tbl RENAME COLUMN foo TO bar to rename view. Browse other questions. CREATE VIEW x_ view AS SELECT x. This is really getting annoying since you have to write a script to: Drop all the dependent objects, Alter the view , Recreate all the dependent objects back again. DROP CONSTRAINT: Use for dropping a table constraint. OWNER: for changing the owner of a table, sequence, index or a view to a certain user.

Views, which are kind of virtual tables, allow users to do the following − Structure data in a way that users or classes of users find natural or intuitive. The new name to assign to the user. Using your example, the internal query tree for the rewrite rule is located in the pg_rewrite. I have a very central table in our database that is used by a range of applications, it has rules attached to it, triggers and all the dependencies that you can imagine. Now I would like to modify the table without causing any problems with the dependencies.

A view can be create from one or more tables. The tables from which a view is created are known as base tables. To do this, follow these steps: to cPanel. If you do not know how to to your cPanel account, please see this article. Under Current Databases, locate the database you want to rename.

When you rename a table or view , the definition of any views which depend on them will be updated appropriately. It is an abstraction layer, which allows to access the result of a more complex SQL fast an easily. The fields in a view are fields from one or more real tables in the database. The question many people now ask if: If a view is based on a table.

Contents of the view are the resultant of a base table. They are operated just like base table but they don’t contain any data of their own. The materialized views have many advantages in many scenarios such as faster access to data from a remote server, data caching, etc. The rename table option allows the user to type in a new name for the table being renamed.

We can see the syntax of all postgreSQL commands by using help command. Follow the following steps to see the syntax of all commands in postgreSQL. SQL Shell(psql) Use the following command to see the syntax of a specific command. This article only applies to the products listed in the Article Details sidebar.

You would also use ALTER TABLE command to add and drop various constraints on an existing table.