Chapter 61. Database Physical Storage
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Chapter 61. Database Physical Storage

Table of Contents

61.1. Database File Layout
61.2. TOAST
61.2.1. Out-of-line, on-disk TOAST storage
61.2.2. Out-of-line, in-memory TOAST storage
61.3. Free Space Map
61.4. Visibility Map
61.5. The Initialization Fork
61.6. Database Page Layout

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

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60.3. Extensibility Up 61.1. Database File Layout