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---
description: >-
This section contains reference documentation for the DISTINCTCOUNTHLLMV
function.
---
Returns an approximate distinct count using HyperLogLog in a group.
DISTINCTCOUNTHLLMV(colName)
These examples are based on the Hybrid Quick Start.
select DISTINCTCOUNTHLLMV(DivLongestGTimes) AS value
from airlineStats
where arraylength(DivLongestGTimes) > 1| value |
|---|
| 34 |