mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-12-04 05:22:17 +00:00

Some WIP on documentation refactoring (#2659 )

* Additional .gitignore entries

* Merge a bunch of small articles about system tables into single one

* Merge a bunch of small articles about formats into single one

* Adapt table with formats to English docs too

* Add SPb meetup link to main page

* Move Utilities out of top level of docs (the location is probably not yet final) + translate couple articles

* Merge MacOS.md into build_osx.md

* Move Data types higher in ToC

* Publish changelog on website alongside documentation

* Few fixes for en/table_engines/file.md

* Use smaller header sizes in changelogs

* Group up table engines inside ToC

* Move table engines out of top level too

* Specificy in ToC that query language is SQL based. Thats a bit excessive, but catches eye.

* Move stuff that is part of query language into respective folder

* Move table functions lower in ToC

* Lost redirects.txt update

* Do not rely on comments in yaml + fix few ru titles

* Extract major parts of queries.md into separate articles

* queries.md has been supposed to be removed

* Fix weird translation

* Fix a bunch of links

* There is only table of contents left

* "Query language" is actually part of SQL abbreviation

* Change filename in README.md too

* fix mistype

2018-07-18 13:00:53 +03:00

1008 B

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Словари

Словарь — это отображение (ключ -> атрибуты), которое удобно использовать для различного вида справочников.

ClickHouse поддерживает специальные функции для работы со словарями, которые можно использовать в запросах. Проще и эффективнее использовать словари с помощью функций, чем JOIN с таблицами-справочниками.

ClickHouse поддерживает:

Встроенные словари со специфическим набором функций.
Подключаемые (внешние) словари с набором функций.

1008 B Raw Blame History Unescape Escape

Словари

1008 B

Raw Blame History