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Sqlserver中PIVOT行转列透视操作
创建表:
IF OBJECT_ID(‘T040_PRODUCT_SALES‘) IS NOT NULLDROP TABLE T040_PRODUCT_SALEScreate table T040_PRODUCT_SALES( ID INT IDENTITY(1,1), ProductName VARCHAR(20), SaleMonth INT, SalesCount INT)
插入数据并排序:
INSERT INTO T040_PRODUCT_SALES VALUES(‘Bicycle‘,1,1),(‘Shoes‘,2,2),(‘Clothes‘,3,3),(‘Books‘,4,4),(‘Medicine‘,5,5),(‘Drinks‘,6,6),(‘Shoes‘,7,7),(‘Books‘,1,2),(‘Bicycle‘,1,3),(‘Medicine‘,1,4),(‘Clothes‘,1,5),(‘Mobile Phone‘,1,6),(‘Books‘,1,7),(‘Medicine‘,1,8),(‘Shoes‘,1,9),(‘Bicycle‘,2,10)SELECT ProductName, SaleMonth, SUM(SalesCount) AS SalesCountFROM T040_PRODUCT_SALESGROUP BY ProductName, SaleMonthORDER BY ProductName, SaleMonth
格式:
/****SELECT 非透视列, [透视列 1] AS ‘列名1‘, [透视列 2] AS ‘列名2‘, [透视列 3] AS ‘列名3‘FROM ( -- 源数据 SELECT 非透视列, 透视列值的来源列, 需要聚合的值 FROM 表 )AS 别名PIVOT ( SUM(需要聚合的值) FOR 透视列值的来源列 IN ([透视列 1],[透视列 2],[透视列 3]) )AS 别名****/
行转列的代码:
select ProductName, ISNULL([1],0) AS ‘1‘, ISNULL([2],0) AS ‘2‘, ISNULL([3],0) AS ‘3‘, ISNULL([4],0) AS ‘4‘, ISNULL([5],0) AS ‘5‘, ISNULL([6],0) AS ‘6‘ from ( select ProductName, SaleMonth, SalesCount from T040_PRODUCT_SALES) as Sales pivot ( SUM(SalesCount) FOR SaleMonth IN([1],[2],[3],[4],[5],[6]) ) as PIVOTBL
结果:
Sqlserver中PIVOT行转列透视操作
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