O'Reilly logo

PostgreSQL 9 Administration Cookbook by Hannu Krosing, Simon Riggs

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Using multiple schemas

We can separate groups of tables into their own "namespaces", referred to as "schemas" by PostgreSQL. In many ways they can be thought of as being similar to directories, though that is not a precise description.

Getting ready

Make sure you've read the recipe Deciding on a design for multi-tenancy, so that you're certain this is the route you wish to take. Other options exist, and it is possible that they may be preferable in some cases.

How to do it...

Schemas can be created easily by using the following:

CREATE SCHEMA finance;
CREATE SCHEMA sales;

We can then create objects directly within those schemas by using "fully qualified" names, for example:

CREATE TABLE finance.month_end_snapshot (….)

The default schema into which ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required