The PostgreSQL query planner doesn't know which data usually correlates. How to use CREATE STATISTICS to find correlations.| CYBERTEC PostgreSQL | Services & Support
19.10. Vacuuming # 19.10.1. Automatic Vacuuming 19.10.2. Cost-based Vacuum Delay 19.10.3. Default Behavior 19.10.4. Freezing These parameters control vacuuming behavior. For …| PostgreSQL Documentation