题目
有如下1张表G0403
其中Amount字段是每个人同一月份,不同状态的金额总和,需要对相同月份的数据均分Amount,得到如下结果:
该如何写这个SQL?
测试语句
CREATE TABLE G0403
(ID int,
NAME varchar(22),
MON int,
STATE varchar(21),
AMOUNT int
);
INSERT INTO G0403 VALUES(1,'张三',201901,'A',9000);
INSERT INTO G0403 VALUES(2,'张三',201901,'B',9000);
INSERT INTO G0403 VALUES(3,'张三',201901,'E',9000);
INSERT INTO G0403 VALUES(4,'李四',201902,'A',1800);
INSERT INTO G0403 VALUES(5,'李四',201902,'C',1800);
INSERT INTO G0403 VALUES(6,'王五',201902,'C',30000);
INSERT INTO G0403 VALUES(7,'王五',201902,'F',30000);