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Historical version. PostgreSQL 8.2 reached end of support in December 2011. See the current version for supported releases.
PostgreSQL 8.2.23 Documentation
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Chapter 52. Database Physical Storage

Table of Contents
52.1. Database File Layout
52.2. TOAST
52.3. Database Page Layout

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

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Examples Up Database File Layout

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