18th October 2018: PostgreSQL 11 Released!
Supported Versions: Current (11) / 10 / 9.6 / 9.5 / 9.4 / 9.3
Development Versions: devel
Unsupported versions: 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2 / 8.1 / 8.0 / 7.2 / 7.1

Chapter 52. Database Physical Storage

Table of Contents
52.1. Database File Layout
52.2. TOAST
52.3. Database Page Layout

This chapter provides an overview of the physical storage format used by PostgreSQL databases.