Chapter 65. Database Physical Storage

Table of Contents

65.1. Database File Layout

65.2. TOAST

65.2.1. Out-of-Line, On-Disk TOAST Storage

65.2.2. Out-of-Line, In-Memory TOAST Storage

65.3. Free Space Map

65.4. Visibility Map

65.5. The Initialization Fork

65.6. Database Page Layout

65.6.1. Table Row Layout

65.7. Heap-Only Tuples ( HOT )