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Chapter 64. Database Physical Storage
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Chapter 64. Database Physical Storage

Table of Contents

64.1. Database File Layout

64.2. TOAST

64.2.1. Out-of-Line, On-Disk TOAST Storage
64.2.2. Out-of-Line, In-Memory TOAST Storage
64.2.3. Pluggable TOAST

64.3. Free Space Map

64.4. Visibility Map

64.5. The Initialization Fork

64.6. Database Page Layout

64.7. Heap-Only Tuples (HOT)

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

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63.6. Hash Indexes	Home	64.1. Database File Layout

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