PostgreSQL Chapter 69. Database Physical Storage Prev Up Part VII. Internals Home Next Chapter 69. Database Physical Storage Table of Contents 69.1. Database File Layout 69.2. TOAST 69.2.1. Out-of-line, on-disk TOAST storage 69.2.2. Out-of-line, in-memory TOAST storage 69.3. Free Space Map 69.4. Visibility Map 69.5. The Initialization Fork 69.6. Database Page Layout 69.6.1. Table Row Layout 69.7. Heap-Only Tuples (HOT) This chapter provides an overview of the physical storage format used by PostgreSQL databases. Prev Up Next 68.2. Implementation Home 69.1. Database File Layout Privacy Policy | Code of Conduct | About PostgreSQL | Contact Copyright © 1996-2023 The PostgreSQL Global Development Group
