========== Aggregates ========== .. _aggregate_functions: This section documents the system-defined **aggregate functions**. These functions perform calculations over zero, one, or more rows and return a single value. .. toctree:: :maxdepth: 1 Functions/aggregate_functions/avg Functions/aggregate_functions/bitmap_construct_agg Functions/aggregate_functions/count Functions/aggregate_functions/max Functions/aggregate_functions/min Functions/aggregate_functions/sum