Chapter 70. Database Physical Storage

Chapter 70. Database Physical Storage
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Chapter 70. Database Physical Storage

Table of Contents

70.1. Database File Layout

70.2. TOAST

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

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

70.3. Free Space Map

70.4. Visibility Map

70.5. The Initialization Fork

70.6. Database Page Layout

70.6.1. Table Row Layout

70.7. Heap-Only Tuples (HOT)

This chapter provides an overview of the physical storage format used by Tantor SE-1C databases.

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69.2. Implementation	Home	70.1. Database File Layout