PostgreSQL Databases Books - Free eBooks Directory

This manual is part of the official reference documentation for PostgreSQL 9.0. It describes the SQL language specification as implemented by PostgreSQL, 

Arguably the most capable of all the open source databases, PostgreSQL is an object-relational database management system first developed in 1977 by the University of California at Berkeley. In spite of its long history, this robust database suffers from a lack of easy-to-use documentation. Practical PostgreSQL fills that void...

This is the first volume of the postgresql database administration book series.

In this document, the internals of PostgreSQL for database administrators and system developers are described.