How ClickHouse makes Top-N queries faster with granule-level data skipping

T1Covered by 1 source · first reported by Databricks / ClickHouse / DuckDB / Supabase / Neon / PlanetScale at 19 Jan, 10:29 UTC

A deep dive into how ClickHouse uses data-skipping metadata to turn Top-N queries into a pruning problem, cutting I/O and speeding up queries at scale.

Sources

• T1How ClickHouse makes Top-N queries faster with granule-level data skippingDatabricks / ClickHouse / DuckDB / Supabase / Neon / PlanetScale19 Jan, 10:29