ClickHouse/docs/fr/sql-reference/dictionaries/external-dictionaries/external-dicts-dict.md
Ivan Blinkov d91c97d15d
[docs] replace underscores with hyphens (#10606)
* Replace underscores with hyphens

* remove temporary code

* fix style check

* fix collapse
2020-04-30 21:19:18 +03:00

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---
machine_translated: true
machine_translated_rev: f865c9653f9df092694258e0ccdd733c339112f5
toc_priority: 40
toc_title: Configuration D'un dictionnaire externe
---
# Configuration Dun Dictionnaire Externe {#dicts-external-dicts-dict}
Si dictionary est configuré à laide dun fichier xml, than dictionary configuration a la structure suivante:
``` xml
<dictionary>
<name>dict_name</name>
<structure>
<!-- Complex key configuration -->
</structure>
<source>
<!-- Source configuration -->
</source>
<layout>
<!-- Memory layout configuration -->
</layout>
<lifetime>
<!-- Lifetime of dictionary in memory -->
</lifetime>
</dictionary>
```
Correspondant [DDL-requête](../../statements/create.md#create-dictionary-query) a la structure suivante:
``` sql
CREATE DICTIONARY dict_name
(
... -- attributes
)
PRIMARY KEY ... -- complex or single key configuration
SOURCE(...) -- Source configuration
LAYOUT(...) -- Memory layout configuration
LIFETIME(...) -- Lifetime of dictionary in memory
```
- `name` The identifier that can be used to access the dictionary. Use the characters `[a-zA-Z0-9_\-]`.
- [source](external-dicts-dict-sources.md) — Source of the dictionary.
- [disposition](external-dicts-dict-layout.md) — Dictionary layout in memory.
- [structure](external-dicts-dict-structure.md) — Structure of the dictionary . A key and attributes that can be retrieved by this key.
- [vie](external-dicts-dict-lifetime.md) — Frequency of dictionary updates.
[Article Original](https://clickhouse.tech/docs/en/query_language/dicts/external_dicts_dict/) <!--hide-->