Chapter 68. Database Physical Storage

Table of Contents

68.1. Database File Layout

68.2. TOAST

68.2.1. Out-of-line, on-disk TOAST storage

68.2.2. Out-of-line, in-memory TOAST storage

68.3. Free Space Map

68.4. Visibility Map

68.5. The Initialization Fork

68.6. Database Page Layout

68.6.1. Table Row Layout