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.
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Zero as an argument is considered “false,” while any non-zero value is considered “true”.
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## and, AND operator {#and-and-operator}
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## or, OR operator {#or-or-operator}
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## not, NOT operator {#not-not-operator}
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## xor {#xor}
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[Original article](https://clickhouse.tech/docs/en/query_language/functions/logical_functions/) <!--hide-->