# ClickHouse® Tips #12: Apply Functions to Columns with a Single Call

DevFeed: [ClickHouse® Tips #12: Apply Functions to Columns with a Single Call](<https://devfeed.tech/articles/clickhouse-tips-12-apply-functions-to-columns-with-a-single-call-18720.md>)

Original publisher: [Read original article](<https://www.tinybird.co/blog/tips-12-how-to-apply-a-function-into-multiple-col-1call>)

Author: Tinybird

Published: 2021-09-29T00:00:00Z

Content type: tutorial

Language: en

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

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

Tags: [apply](<https://devfeed.tech/tags/apply.md>), [clickhouse](<https://devfeed.tech/tags/clickhouse.md>), [the-data-base](<https://devfeed.tech/tags/the-data-base.md>), [tips](<https://devfeed.tech/tags/tips.md>)

## AI overview

A brief tutorial about using ClickHouse SELECT modifiers to apply a function across multiple columns in a single call.

## Source excerpt

Clickhouse® 21 allows some fancy operations packed into multiple columns with SELECT modifiers.