Understand PostgreSQL query planner cost units. Cost = seq_page_cost × pages_scanned + cpu_tuple_cost × rows_processed. Default: seq_page_cost=1.0, random_page_cost=4.0. Lower cost = preferred plan.
Enter the values for the scenario you are assessing. Understand PostgreSQL query planner cost units. Cost = seq_page_cost × pages_scanned + cpu_tuple_cost × rows_processed. Default: seq_page_cost=1.0, random_page_cost=4.0. Lower cost = preferred plan. Use the query plan cost estimate result to inform your calculation.