description |
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This section contains reference documentation for the DISTINCTCOUNTMV function. |
Returns the count of distinct row values in a group
DISTINCTCOUNTMV(colName)
These examples are based on the Hybrid Quick Start.
The following query returns the documents that have a DivTailNums
with more than one value:
select DivTailNums
from airlineStats
where arraylength(DivTailNums) > 1
DivTailNums |
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N7713A,N7713A |
N344AA,N344AA |
N344AA,N344AA |
N7713A,N7713A |
You can count the distinct number of items in these rows by running the following query:
select DISTINCTCOUNTMV(DivTailNums) AS value
from airlineStats
where arraylength(DivTailNums) > 1
value |
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2 |