Answer by Jonathan Roberts for DISTINCT on one column and return TOP rows
I think this could be more efficient that the other solutions, provided you have an index on: (Customer_Name, Purchase_Cost DESC) INCLUDE (Order_No);WITH PurchaseTable AS( SELECT * FROM (VALUES...
View ArticleAnswer by Fatih for DISTINCT on one column and return TOP rows
please try:SELECT DISTINCT TOP 3 order_no, customer_name, Purchase_CostFROM( SELECT order_no, customer_name, Purchase_Cost, ROW_NUMBER() OVER(PARTITION BY customer_name ORDER BY Purchase_Cost DESC)...
View ArticleAnswer by SqlWorldWide for DISTINCT on one column and return TOP rows
Replace your dbname and schemaName in the following query.;WITH CTE AS (SELECT [Order_No] ,[Customer_Name] ,[Purchase_Cost] , ROW_NUMBER() OVER(PARTITION BY [customer Name] ORDER BY [Purchase Cost]...
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DISTINCT on one column and return TOP rows
How do you query for three unique customers with the largest Purchase_Cost?I want to apply the DISTINCT only on Customer_Name, but the query below applies the distinct on all three columns. How should...
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