ClickHouse/docs/en/sql-reference/functions/in-functions.md

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toc_priority: 60
toc_title: IN Operator
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# Functions for Implementing the IN Operator {#functions-for-implementing-the-in-operator}

## in, notIn, globalIn, globalNotIn {#in-functions}

See the section [IN operators](../../sql-reference/operators/in.md#select-in-operators).