PostgreSQL 19 Documentation · Chapter 66. Database Physical Storage

Documentation → PostgreSQL 19

Supported versions: Current (18) / 17 / 16 / 15 / 14

Development versions: 19 / devel

Unsupported versions: 13 / 12 / 11 / 10 / 9.6 / 9.5 / 9.4 / 9.3 / 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2 / 8.1 / 8.0 / 7.2 / 7.1

Pre-release documentation. PostgreSQL 19 Beta 3 is a testing release. The final release may differ.

Chapter 66. Database Physical Storage
Prev	Up	Part VII. Internals	Home	Next

Chapter 66. Database Physical Storage

Table of Contents

66.1. Database File Layout

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

Prev	Up	Next
65.6. Hash Indexes	Home	66.1. Database File Layout

Read the upstream documentation. For corrections, first check the current version.