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select Customer, Balance into #a from ( values (1, 250), (2, 500), (1, 205), (2, 600), (2, 700), (3, 300), (3, 500), (3, 250) )v(Customer, Balance)
8 rows affected
DECLARE @columns NVARCHAR(MAX) = '', @sql NVARCHAR(MAX) = ''; SELECT Customer, Balance, Col = ROW_NUMBER() OVER (PARTITION BY Customer ORDER BY [Balance] DESC) into #b FROM #a SELECT @columns += QUOTENAME(Col) + ',' from (SELECT DISTINCT Col FROM #b) A -- remove the last comma SET @columns = LEFT(@columns, LEN(@columns) - 1); SET @sql = 'SELECT * FROM ( SELECT Customer, Balance, Col FROM #b) src PIVOT( MAX([Balance]) FOR Col IN ('+ @columns +')) AS pivot_table;'; -- execute the dynamic SQL EXECUTE sp_executesql @sql;
Customer
1
2
3
1
250
205
null
2
700
600
500
3
500
300
250