# Chapter 14. Performance Tips
Table of Contents
14.2. Statistics Used by the Planner
14.2.1. Single-Column Statistics
14.3. Controlling the Planner with Explicit JOIN
Clauses
14.4.4. Remove Foreign Key Constraints
14.4.5. Increase maintenance_work_mem
14.4.7. Disable WAL Archival and Streaming Replication
14.4.8. Run ANALYZE
Afterwards
14.4.9. Some Notes about pg_dump
Query performance can be affected by many things. Some of these can be controlled by the user, while others are fundamental to the underlying design of the system. This chapter provides some hints about understanding and tuning PostgreSQL performance.