ClickHouse/docs/en/data_types/boolean.md

# Boolean Values

There isn't a separate type for boolean values. They use the UInt8 type, restricted to the values 0 or 1.


[Original article](https://clickhouse.yandex/docs/en/data_types/boolean/) <!--hide-->
WIP on docs: improvements for search + some content changes (#2842) * Some improvements for introduction/performance.md * Minor improvements for example_datasets * Add website/package-lock.json to .gitignore * YT paragraph was badly outdated and there is no real reason to write a new one * Use weird introduction article as a starting point for F.A.Q. * Some refactoring of first half of ya_metrika_task.md * minor * Weird docs footer bugfix * Forgotten redirect * h/v scrollbars same size in docs * CLICKHOUSE-3831: introduce security changelog * A bit more narrow tables on docs front page * fix flag in ru docs * Save some space in top level of docs ToC * Capitalize most words in titles of docs/en/ * more docs scrollbar fixes * fix incorrect merge * fix link * fix switching languages in single page docs mode * Update mkdocs & mkdocs-material + unminify javascript * cherrypick https://github.com/olivernn/lunr.js/commit/17e18d1ecc8a0b44e08cd088c979acd2598d80da 2018-08-10 14:44:49 +00:00			`# Boolean Values`
Sources for english documentation switched to Markdown. Edit page link is fixed too for both language versions of documentation. 2017-12-28 15:13:23 +00:00
			`There isn't a separate type for boolean values. They use the UInt8 type, restricted to the values 0 or 1.`

WIP on docs/website (#3383) * CLICKHOUSE-4063: less manual html @ index.md * CLICKHOUSE-4063: recommend markdown="1" in README.md * CLICKHOUSE-4003: manually purge custom.css for now * CLICKHOUSE-4064: expand <details> before any print (including to pdf) * CLICKHOUSE-3927: rearrange interfaces/formats.md a bit * CLICKHOUSE-3306: add few http headers * Remove copy-paste introduced in #3392 * Hopefully better chinese fonts #3392 * get rid of tabs @ custom.css * Apply comments and patch from #3384 * Add jdbc.md to ToC and some translation, though it still looks badly incomplete * minor punctuation * Add some backlinks to official website from mirrors that just blindly take markdown sources * Do not make fonts extra light * find . -name '.md' -type f \| xargs -I{} perl -pi -e 's//g' {} find . -name '.md' -type f \| xargs -I{} perl -pi -e 's/ sql/g' {} Remove outdated stuff from roadmap.md * Not so light font on front page too * Refactor Chinese formats.md to match recent changes in other languages 2018-10-16 10:47:17 +00:00
			`[Original article](https://clickhouse.yandex/docs/en/data_types/boolean/) <!--hide-->`