Chapter 63. Database Physical Storage
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Chapter 63. Database Physical Storage

Table of Contents

63.1. Database File Layout
63.2. TOAST
63.2.1. Out-of-Line, On-Disk TOAST Storage
63.2.2. Out-of-Line, In-Memory TOAST Storage
63.2.3. Pluggable TOAST
63.3. Free Space Map
63.4. Visibility Map
63.5. The Initialization Fork
63.6. Database Page Layout
63.7. Heap-Only Tuples (HOT)

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

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62.6. Hash Indexes Home 63.1. Database File Layout