Practical PostgreSQL

Create View

Creates a view on a table.

Synopsis

CREATE VIEW view AS query

Parameters

view

The name of the view to create.

query

The SQL query to provide the columns and rows of the view.

Results

CREATE

The message returned when a view is successfully created.

ERROR: Relation 'view' already exists

The error returned if a view with the name you supplied (view) already exists.

NOTICE create: attribute “column” has an unknown type

The notice returned if the data type for column in the query definition is of an ambiguous type.

Description

Use CREATE VIEW to define a new table view within the current database.

Note

Views are read-only as of PostgreSQL 7.1.x (the most current version as of the writing of this book).

Example

The following example creates a view of publishers whose names begin with H:

booktown=# CREATE VIEW h_publishers AS
booktown-#        SELECT * FROM publishers WHERE name LIKE 'H%';
CREATE