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How we made ClickHouse UPDATEs 1,000× faster (Part 3: Benchmarks)

ClickHouse · published 7 August 2025

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How we built fast UPDATEs for the ClickHouse column store – Part 1: Purpose-built engines Read at the source ↗
clickhouse.com
How we built fast UPDATEs for the ClickHouse column store – Part 2: SQL-style UPDATEs Read at the source ↗
clickhouse.com
You can’t UPDATE what you can’t find: ClickHouse vs PostgreSQL Read at the source ↗
clickhouse.com
https://clickhouse.com/docs/getting-started/example-datasets/tpch
clickhouse.com
https://clickhouse.com/docs/parts
clickhouse.com
https://clickhouse.com/docs/operations/settings/merge-tree-settings
clickhouse.com
https://github.com/ClickHouse/examples/blob/71456ae42e3bd75d23b41f5636fa7e593b941b16/blog-examples/clickhouse-fast-updates/init.sh
github.com
https://github.com/ClickHouse/examples/tree/main/blog-examples/clickhouse-fast-updates
github.com
https://github.com/ClickHouse/examples/blob/71456ae42e3bd75d23b41f5636fa7e593b941b16/blog-examples/clickhouse-fast-updates/multi-row-updates/SMALL/mutation_updates.sql
github.com
https://github.com/ClickHouse/examples/blob/71456ae42e3bd75d23b41f5636fa7e593b941b16/blog-examples/clickhouse-fast-updates/multi-row-updates/SMALL/lightweight_updates.sql
github.com
https://www.w3schools.com/sql/sql_update.asp
w3schools.com
https://github.com/ClickHouse/examples/blob/71456ae42e3bd75d23b41f5636fa7e593b941b16/blog-examples/clickhouse-fast-updates/multi-row-updates/run_updates_sequential.sh
github.com
ClickHouse Release 24.10 Read at the source ↗
clickhouse.com
https://github.com/ClickHouse/examples/tree/71456ae42e3bd75d23b41f5636fa7e593b941b16/blog-examples/clickhouse-fast-updates/multi-row-updates/results
github.com
https://github.com/ClickHouse/examples/blob/71456ae42e3bd75d23b41f5636fa7e593b941b16/blog-examples/clickhouse-fast-updates/multi-row-updates/SMALL/analytical_queries.sql
github.com
https://github.com/ClickHouse/examples/tree/71456ae42e3bd75d23b41f5636fa7e593b941b16/blog-examples/clickhouse-fast-updates/single-row-updates/10x1
github.com
https://clickhouse.com/docs/sql-reference/data-types/nullable
clickhouse.com
https://github.com/ClickHouse/examples/blob/71456ae42e3bd75d23b41f5636fa7e593b941b16/blog-examples/clickhouse-fast-updates/single-row-updates/run_updates_sequential.sh
github.com
https://github.com/ClickHouse/examples/tree/71456ae42e3bd75d23b41f5636fa7e593b941b16/blog-examples/clickhouse-fast-updates/single-row-updates/results
github.com
https://github.com/ClickHouse/examples/blob/71456ae42e3bd75d23b41f5636fa7e593b941b16/blog-examples/clickhouse-fast-updates/single-row-updates/10x1/analytical_queries.sql
github.com
https://clickhouse.com/docs/sql-reference/statements/insert-into
clickhouse.com
ClickHouse Release 25.6 Read at the source ↗
clickhouse.com
https://clickhouse.com/docs/merges
clickhouse.com
https://clickhouse.com/docs/optimize/query-parallelism
clickhouse.com
ClickHouse Release 23.12 Read at the source ↗
clickhouse.com
https://clickhouse.com/docs/guides/replacing-merge-tree
clickhouse.com