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Chapter 70. Database Physical Storage
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Chapter 70. Database Physical Storage

Table of Contents

70.1. Database File Layout
70.2. TOAST
70.2.1. Out-of-Line, On-Disk TOAST Storage
70.2.2. Out-of-Line, In-Memory TOAST Storage
70.3. Free Space Map
70.4. Visibility Map
70.5. The Initialization Fork
70.6. Database Page Layout
70.6.1. Table Row Layout

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

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69.2. Implementation Home 70.1. Database File Layout