ClickHouse/docs/fa/sql-reference/dictionaries/index.md
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DOCS-624: Fixing links to nowhere (#10675)
* enbaskakova-DOCSUP-652 (#101)

* "docs(orNull&orDefault): Functions 'orNull&orDefault' have been edited"

* "docs(orNull&orDefault): Functions 'orNull&orDefault' have been edited"

* "docs(orNull&orDefault): Functions 'orNull&orDefault' have been edited"

* Update docs/en/sql_reference/aggregate_functions/combinators.md

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* Update docs/en/sql_reference/aggregate_functions/combinators.md

Co-Authored-By: BayoNet <da-daos@yandex.ru>

* Update docs/en/sql_reference/aggregate_functions/combinators.md

Co-Authored-By: BayoNet <da-daos@yandex.ru>

* Update docs/en/sql_reference/aggregate_functions/combinators.md

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* Update docs/en/sql_reference/aggregate_functions/combinators.md

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* "docs(orNull&orDefault): Functions 'orNull&orDefault' have been edited"

* "docs(orNull&orDefault): Functions 'orNull&orDefault' have been edited"

* "docs(orNull&orDefault): Functions 'orNull&orDefault' have been edited"

Co-authored-by: elenbaskakova <elenbaskakova@yandex-team.ru>
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* Revert "enbaskakova-DOCSUP-652 (#101)" (#107)

This reverts commit 639fee7610.

* CLICKHOUSEDOCS-624: Fixed links. Was 60, became 13.

* CLICKHOUSEDOCS-624: Finished fix links in Enlish version.

* CLICKHOUSEDOCS-624: Fixed RU links

Co-authored-by: elenaspb2019 <47083263+elenaspb2019@users.noreply.github.com>
Co-authored-by: elenbaskakova <elenbaskakova@yandex-team.ru>
Co-authored-by: Sergei Shtykov <bayonet@yandex-team.ru>
2020-05-06 09:13:29 +03:00

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toc_folder_title: Dictionaries
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# واژهنامهها {#dictionaries}
فرهنگ لغت نقشه برداری است (`key -> attributes`) که مناسب برای انواع مختلفی از لیست مرجع است.
تاتر پشتیبانی از توابع خاص برای کار با لغت نامه است که می تواند در نمایش داده شد استفاده می شود. این ساده تر و موثر تر به استفاده از لغت نامه ها با توابع از یک است `JOIN` با جداول مرجع.
[NULL](../../sql-reference/syntax.md#null-literal) ارزش ها را نمی توان در یک فرهنگ لغت ذخیره کرد.
پشتیبانی از کلیک:
- [ساخته شده در لغت نامه](internal-dicts.md#internal_dicts) با یک خاص [مجموعه ای از توابع](../../sql-reference/functions/ym-dict-functions.md).
- [افزونه لغت نامه (خارجی)](external-dictionaries/external-dicts.md#dicts-external-dicts) با یک [خالص توابع](../../sql-reference/functions/ext-dict-functions.md).
[مقاله اصلی](https://clickhouse.tech/docs/en/query_language/dicts/) <!--hide-->