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slug: /zh/sql-reference/aggregate-functions/reference/uniqcombined64
sidebar_position: 193
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# uniqCombined64 {#agg_function-uniqcombined64}

和 [uniqCombined](../../../sql-reference/aggregate-functions/reference/uniqcombined.md#agg_function-uniqcombined)一样, 但对于所有数据类型使用64位哈希。
