Salary Sum
10 10
20 30
10 40
70 110
我需要一个查询,它给出了上述格式的数据表,其中sum列的值取决于工资列
答案 0 :(得分:0)
如果您的表中有主键,则可以使用以下内容:
DECLARE @tbl TABLE(ID INT,Salary INT)
INSERT INTO @tbl
VALUES
(1,10),
(2,20),
(3,10),
(4,70)
SELECT
tbl.Salary,
SUM(tbl2.Salary) AS [Sum]
FROM
@tbl AS tbl
JOIN @tbl AS tbl2
ON (tbl2.ID <= tbl.ID)
GROUP BY
tbl.ID,
tbl.Salary
ORDER BY
tbl.ID,
tbl.Salary