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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.

Rich Raposa
Director, Global Learning, ClickHouse

How to Keep a Running Total in ClickHouse

Linux, macOS, FreeBSD

Learn how to use common table expressions (CTEs) in ClickHouse, including how to use a query result as a CTE.

How Common Table Expressions (CTEs) Work in ClickHouse

Yes - you can upsert a row in ClickHouse! It behaves differently than with other databases, so it's important to understand how upserts are implemented using the ReplacingMergeTree table engine, including tips on how to avoid using FINAL in a query.

Videos / How to

How to Upsert Rows into ClickHouse

Rich Raposa Director, Global Learning, ClickHouse

Recent videos