Chapter 71. Database Physical Storage#

Chapter 71. Database Physical Storage
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Chapter 71. Database Physical Storage

Table of Contents

71.1. Database File Layout

71.2. TOAST

71.2.1. Out-of-Line, On-Disk TOAST Storage

71.2.2. Out-of-Line, In-Memory TOAST Storage

71.3. Free Space Map

71.4. Visibility Map

71.5. The Initialization Fork

71.6. Database Page Layout

71.6.1. Table Row Layout

71.7. Heap-Only Tuples (HOT)

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

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70.2. Implementation	Home	71.1. Database File Layout