This book is the official documentation of
PostgreSQL. It has been written by the
PostgreSQL developers and other
volunteers in parallel to the development of the
PostgreSQL software. It describes all
the functionality that the current version of
PostgreSQL officially supports.
To make the large amount of information about
PostgreSQL manageable, this book has been
organized in several parts. Each part is targeted at a different
class of users, or at users in different stages of their
Part I is an informal introduction for new users.
Part II documents the SQL query
language environment, including data types and functions, as well
as user-level performance tuning. Every
PostgreSQL user should read this.
Part III describes the installation and
administration of the server. Everyone who runs a
PostgreSQL server, be it for private
use or for others, should read this part.
Part IV describes the programming
interfaces for PostgreSQL client
Part V contains information for
advanced users about the extensibility capabilities of the
server. Topics include user-defined data types and
Part VI contains reference information about
SQL commands, client and server programs. This part supports
the other parts with structured information sorted by command or
Part VII contains assorted information that might be of
use to PostgreSQL developers.