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toc_title: fusionner
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# fusionner {#merge}

`merge(db_name, 'tables_regexp')` – Creates a temporary Merge table. For more information, see the section “Table engines, Merge”.

La structure de la table est tirée de la première table rencontrée qui correspond à l’expression régulière.

[Article Original](https://clickhouse.tech/docs/en/query_language/table_functions/merge/) <!--hide-->