Chapter 63. Database Physical Storage#

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

63.3. Free Space Map

63.4. Visibility Map

63.5. The Initialization Fork

63.6. Database Page Layout

63.6.1. Table Row Layout

63.7. Heap-Only Tuples (HOT)

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

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62.6. Hash Indexes	Home	63.1. Database File Layout