ClickHouse/docs/en/sql_reference/functions/logical_functions.md

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toc_priority: 37
toc_title: Logical
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# Logical functions {#logical-functions}

Logical functions accept any numeric types, but return a UInt8 number equal to 0 or 1.

Zero as an argument is considered “false,” while any non-zero value is considered “true”.

## and, AND operator {#and-and-operator}

## or, OR operator {#or-or-operator}

## not, NOT operator {#not-not-operator}

## xor {#xor}

[Original article](https://clickhouse.tech/docs/en/query_language/functions/logical_functions/) <!--hide-->