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