Chapter 69. Database Physical Storage
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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

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

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68.2. Implementation Home 69.1. Database File Layout