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WITH Tbl1 AS ( SELECT 1 AS ID, 'AA' AS Col1, NULL AS Col2, 0 AS Sold, 100 AS Total UNION ALL SELECT 1, 'BB', 'CC', 2, 200 UNION ALL SELECT 1, 'DD', 'EE', 3, 300 UNION ALL SELECT 2, 'FF', 'GG', 1, 100 ) SELECT ID, SUM(Sold) AS Sold, SUM(Total) AS Total, CASE WHEN SUM(Sold) > 0 THEN SUM(CASE WHEN Sold > 0 THEN Total ELSE 0 END) / SUM(CASE WHEN Sold > 0 THEN Sold ELSE 0 END) ELSE 0 END AS TotalPerPax FROM TBl1 GROUP BY ID;
ID
Sold
Total
TotalPerPax
1
5
600
100
2
1
100
100