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updated attach.md

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George 2021-03-12 19:28:04 +03:00
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docs/en/sql-reference/statements/attach.md
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@ -17,4 +17,8 @@ If the table was previously detached ([DETACH](../../sql-reference/statements/de
ATTACH TABLE [IF NOT EXISTS] [db.]name [ON CLUSTER cluster] ATTACH TABLE [IF NOT EXISTS] [db.]name [ON CLUSTER cluster]
``` ```
This query is used when starting the server. The server stores table metadata as files with `ATTACH` queries, which it simply runs at launch (with the exception of system tables, which are explicitly created on the server). This query is used when starting the server. The server stores table metadata as files with `ATTACH` queries, which it simply runs at launch (with the exception of some system tables, which are explicitly created on the server).
If the table was detached permanently, it won't be reattached at the server start, so you need to use `ATTACH` query explicitly.
[Original article](https://clickhouse.tech/docs/en/sql-reference/statements/attach/) <!--hide-->