Rich Raposa Director, Global Learning, ClickHouse
ClickHouse has a handy table engine named SummingMergeTree that can be used to keep a running total of values grouped by whatever columns you want.
One Size Can't Fit All - The Case for a Real-Time Data Warehouse
Tanya Bragin VP Product, ClickHouse
Querying remote Parquet files with ClickHouse
Mark Needham Principal Product Marketing Manager, ClickHouse