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Getting started with ClickHouse? 13 mistakes and how to avoid them

ClickHouse · published 20 February 2026

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2blogs citing
First cited
12 Jan 2024
Most recent
1 May 2025
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69
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Cited by

Blog
In the post
Date
joekarlsson.com
How We Handle Billion-Row ClickHouse Inserts With UUID Range Bucketing Read at the source ↗
1 May 2025
peng.fyi
Factorial Growth of Subqueries When Using Nested WITH Clauses in ClickHouse Read at the source ↗
12 Jan 2024

Links from this post

Link
Host
https://clickhouse.cloud/signUp
clickhouse.cloud
https://clickhouse.com/docs/en/guides/improving-query-performance/sparse-primary-indexes/sparse-primary-indexes-design
clickhouse.com
https://clickhouse.com/docs/parts
clickhouse.com
https://en.wikipedia.org/wiki/Log-structured_merge-tree
en.wikipedia.org
https://clickhouse.com/docs/en/operations/settings/merge-tree-settings/
clickhouse.com
https://en.wikipedia.org/wiki/Cardinality
en.wikipedia.org
https://clickhouse.com/docs/optimize/partitioning-key
clickhouse.com
https://clickhouse.com/docs/optimize/bulk-inserts
clickhouse.com
https://clickhouse.com/docs/optimize/asynchronous-inserts
clickhouse.com
https://clickhouse.com/docs/en/engines/table-engines/special/buffer/
clickhouse.com
https://clickhouse.com/docs/operations/settings/settings
clickhouse.com
https://clickhouse.com/docs/cloud/reference/shared-merge-tree
clickhouse.com
https://clickhouse.com/docs/manage/scaling
clickhouse.com
https://console.clickhouse.cloud/signUp?loc=blog-cta-87-get-started-today-sign-up&utm_blogctaid=87
console.clickhouse.cloud
https://clickhouse.com/docs/optimize/avoid-mutations
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/statements/alter/update/
clickhouse.com
https://clickhouse.com/docs/sql-reference/statements/update
clickhouse.com
https://clickhouse.com/docs/en/operations/system-tables/mutations
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/statements/kill
clickhouse.com
How we built fast UPDATEs for the ClickHouse column store – Part 2: SQL-style UPDATEs Read at the source ↗
clickhouse.com
How we built fast UPDATEs for the ClickHouse column store – Part 1: Purpose-built engines Read at the source ↗
clickhouse.com
https://clickhouse.com/docs/en/engines/table-engines/mergetree-family/replacingmergetree/
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/aggregate-functions/reference/argmax/
clickhouse.com
https://clickhouse.com/docs/engines/table-engines/mergetree-family/replacingmergetree
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/statements/delete/
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/data-types/nested-data-structures/nested/
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/data-types/tuple
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/data-types/map
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/data-types/json
clickhouse.com
The billion docs JSON Challenge: ClickHouse vs. MongoDB, Elasticsearch, and more Read at the source ↗
clickhouse.com
https://clickhouse.com/docs/sql-reference/data-types/newjson
clickhouse.com
Making complex JSON 58x faster, use 3,300x less memory, in ClickHouse Read at the source ↗
clickhouse.com
https://clickhouse.com/docs/sql-reference/data-types/nullable
clickhouse.com
https://clickhouse.com/docs/optimize/avoid-nullable-columns
clickhouse.com
https://clickhouse.com/docs/guides/developer/deduplication
clickhouse.com
https://clickhouse.com/docs/operations/settings/merge-tree-settings
clickhouse.com
https://clickhouse.com/docs/optimize/sparse-primary-indexes
clickhouse.com
https://clickhouse.com/docs/en/guides/improving-query-performance/sparse-primary-indexes/sparse-primary-indexes-design/
clickhouse.com
https://clickhouse.com/docs/best-practices/choosing-a-primary-key
clickhouse.com
https://clickhouse.com/docs/en/guides/improving-query-performance/sparse-primary-indexes/sparse-primary-indexes-cardinality
clickhouse.com
https://console.clickhouse.cloud/signUp?loc=blog-cta-88-get-started-today-sign-up&utm_blogctaid=88
console.clickhouse.cloud
https://clickhouse.com/docs/en/guides/improving-query-performance/skipping-indexes
clickhouse.com
https://clickhouse.com/docs/en/guides/improving-query-performance/skipping-indexes/
clickhouse.com
https://clickhouse.com/docs/en/guides/improving-query-performance/sparse-primary-indexes/sparse-primary-indexes-multiple
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/statements/select/
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/statements/select/order-by/
clickhouse.com
https://clickhouse.com/docs/en/operations/settings/settings/
clickhouse.com
https://clickhouse.com/docs/en/getting-started/example-datasets/uk-price-paid
clickhouse.com
https://clickhouse.com/docs/shards
clickhouse.com
https://clickhouse.com/docs/en/guides/improving-query-performance/sparse-primary-indexes/sparse-primary-indexes-uuids
clickhouse.com
https://clickhouse.com/docs/en/guides/sre/keeper/clickhouse-keeper
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/statements/select/group-by/
clickhouse.com
Join Types supported in ClickHouse Read at the source ↗
clickhouse.com
https://clickhouse.com/docs/guides/joining-tables
clickhouse.com
ClickHouse Release 25.12 Read at the source ↗
clickhouse.com
https://clickhouse.com/docs/en/operations/quotas/
clickhouse.com
https://clickhouse.com/docs/en/operations/settings/query-complexity/
clickhouse.com
https://play.clickhouse.com/play?user=play
play.clickhouse.com
https://clickhouse.com/docs/en/operations/settings/memory-overcommit/
clickhouse.com
https://clickhouse.com/docs/en/operations/server-configuration-parameters/settings
clickhouse.com
https://clickhouse.com/docs/en/operations/settings/memory-overcommit
clickhouse.com
https://clickhouse.com/docs/en/materialized-view
clickhouse.com
https://clickhouse.com/docs/en/materialized-view/refreshable-materialized-view
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/aggregate-functions/combinators/
clickhouse.com
https://clickhouse.com/docs/en/sql-reference/data-types/aggregatefunction/
clickhouse.com
https://clickhouse.com/docs/en/engines/table-engines/mergetree-family/aggregatingmergetree
clickhouse.com
https://clickhouse.com/docs/en/engines/table-engines/mergetree-family/summingmergetree/
clickhouse.com
https://clickhouse.com/docs/beta-and-experimental-features
clickhouse.com
https://console.clickhouse.cloud/signUp?loc=blog-cta-89-get-started-today-sign-up&utm_blogctaid=89
console.clickhouse.cloud