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17 lines
677 B
Markdown
17 lines
677 B
Markdown
# Table engines {#table_engines}
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The table engine (type of table) determines:
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- How and where data is stored, where to write it to, and where to read it from.
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- Which queries are supported, and how.
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- Concurrent data access.
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- Use of indexes, if present.
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- Whether multithreaded request execution is possible.
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- Data replication parameters.
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When reading, the engine is only required to output the requested columns, but in some cases the engine can partially process data when responding to the request.
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For most serious tasks, you should use engines from the `MergeTree` family.
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[Original article](https://clickhouse.yandex/docs/en/operations/table_engines/) <!--hide-->
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