使用SQL Server存儲過程分組結果

Question

使用SQL Server 2008存儲過程可以生成如附件中所示的結果嗎？

Answer 1

可以用戶選擇讓你顯示什麼：

SELECT vendor, 
     category, 
     sub_category, 
     product, 
     price, 
     vendor_name 
    FROM (
SELECT   vendor AS ID, 
       NULL AS vendor, 
       category, 
       sub_category, 
       product, 
       price, 
       vendor_name 
    FROM table 
UNION ALL 
SELECT DISTINCT vendor AS ID, 
       vendor, 
       NULL AS category, 
       NULL AS sub_category, 
       NULL AS product, 
       NULL AS price, 
       NULL AS vendor_name 
    FROM table 
) T 
ORDER BY ID, category