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Merge pull request #16275 from ucasFL/docs

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fix small document error
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alexey-milovidov 2020-10-23 09:19:20 +03:00 committed by GitHub
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docs/en/sql-reference/syntax.md
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@ -87,7 +87,7 @@ In string literals, you need to escape at least `'` and `\`. Single quotes can b
### Compound {#compound}
Arrays are constructed with square brackets `[1, 2, 3]`. Nuples are constructed with round brackets `(1, 'Hello, world!', 2)`.
Arrays are constructed with square brackets `[1, 2, 3]`. Tuples are constructed with round brackets `(1, 'Hello, world!', 2)`.
Technically these are not literals, but expressions with the array creation operator and the tuple creation operator, respectively.
An array must consist of at least one item, and a tuple must have at least two items.
There’s a separate case when tuples appear in the `IN` clause of a `SELECT` query. Query results can include tuples, but tuples can’t be saved to a database (except of tables with [Memory](../engines/table-engines/special/memory.md) engine).