# Chapter 70. Database Physical Storage
Table of Contents
70.2.1. Out-of-Line, On-Disk TOAST Storage
70.2.2. Out-of-Line, In-Memory TOAST Storage
This chapter provides an overview of the physical storage format used byPostgreSQL databases.
Table of Contents
70.2.1. Out-of-Line, On-Disk TOAST Storage
70.2.2. Out-of-Line, In-Memory TOAST Storage
This chapter provides an overview of the physical storage format used byPostgreSQL databases.