CODEWITHSUNDEEP
sqlsql-servert-sql
andy
andy

Reputation: 445

select the maximum item per year in MSSQL

I want to find the max count/per year.

I have a table with this kind of data:

Years   shipvia count
---------------------
2002    1       38
2002    2       56
2002    3       58
2003    1       134
2003    2       152
2003    3       122
2004    1       78
2004    2       117
2004    3       75

Expected output:

Years   shipvia count
---------------------
2002    3       58
2003    2       152
2004    2       117

I have tried the query below, but it gives me wrong data:

SELECT  Years,
        ShipVia,
        max(count)
FROM table
GROUP BY Years, ShipVia

Upvotes: 1

Views: 60

Answers (1)

Lamak
Lamak

Reputation: 70648

Assuming SQL Server 2005+:

;WITH CTE AS
(
    SELECT  *,
            RN = ROW_NUMBER() OVER(PARTITION BY [Years] ORDER BY [Count] DESC)
    FROM YourTable
)
SELECT [Years], shipvia, [count]
FROM CTE
WHERE RN = 1

Upvotes: 2

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