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Chapter 67. Database Physical Storage
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Chapter 67. Database Physical Storage

Table of Contents

67.1. Database File Layout

67.2. TOAST

67.2.1. Out-of-Line, On-Disk TOAST Storage
67.2.2. Out-of-Line, In-Memory TOAST Storage

67.3. Free Space Map

67.4. Visibility Map

67.5. The Initialization Fork

67.6. Database Page Layout

67.7. Heap-Only Tuples (HOT)

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

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66.2. Implementation	Home	67.1. Database File Layout

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