# Experimental ClickHouse®: Projections

DevFeed: [Experimental ClickHouse®: Projections](<https://devfeed.tech/articles/experimental-clickhouse-projections-18604.md>)

Original publisher: [Read original article](<https://www.tinybird.co/blog/projections>)

Author: Raul Marín

Published: 2021-07-09T00:00:00Z

Content type: article

Language: en

Sources: [Tinybird](<https://devfeed.tech/sources/tinybird.md>)

Topics: [clickhouse](<https://devfeed.tech/topics/clickhouse.md>)

Tags: [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [experimental](<https://devfeed.tech/tags/experimental.md>), [performance](<https://devfeed.tech/tags/performance.md>), [skip](<https://devfeed.tech/tags/skip.md>), [teams](<https://devfeed.tech/tags/teams.md>), [the-data-base](<https://devfeed.tech/tags/the-data-base.md>)

## AI overview

This article discusses ClickHouse projections and states that, when used correctly, they can improve query performance by up to 10x. It also notes that most teams skip using them.

## Source excerpt

Projections in ClickHouse can 10x query performance when used correctly. Most teams skip them. Don't make that mistake.