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Update docs/en/query_language/system.md

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Co-Authored-By: Ivan Blinkov <github@blinkov.ru>
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Denis Zhuravlev 2019-09-06 20:08:29 -03:00 committed by GitHub
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## RELOAD DICTIONARIES {#query_language-system-reload-dictionaries}
Reloads all dictionaries that have been successfully downloaded before.
By default, lazy loading is enabled [dictionaries_lazy_load](../operations/server_settings/settings.md#dictionaries-lazy-load), so dictionaries are not loaded automatically at startup, but only when they first access through dictGet or SELECT to ENGINE = Dictionary. `system reload dictionaries` command reloads such dictionaries (LOADED).
By default, dictionaries are loaded lazily (see [dictionaries_lazy_load](../operations/server_settings/settings.md#dictionaries-lazy-load)), so instead of being loaded automatically at startup, they are initialized on first access through dictGet function or SELECT to ENGINE = Dictionary. The `SYSTEM RELOAD DICTIONARIES` query reloads such dictionaries (LOADED).
Always returns `Ok.` regardless of the result of the dictionary update.
## RELOAD DICTIONARY dictionary_name {#query_language-system-reload-dictionary}