Chapter 69. Database Physical Storage

Table of Contents

69.1. Database File Layout

69.2. TOAST

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

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

69.3. Free Space Map

69.4. Visibility Map

69.5. The Initialization Fork

69.6. Database Page Layout

69.6.1. Table Row Layout