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in Technique[技术] by (71.8m points)

sql server排序row_number

declare @grade table(
Name varchar(20),
Chinese int,
Math int,
English int
)

insert into @grade(Name, Chinese,Math, English)
values('张三', 70,80,90),
('张三', 80,70,60),
('张三', 60,85,70),
('李四', 65,84,89),
('李四', 70,81,85),
('李四', 68,75,91)
查找每个人各科最好的成绩
最终变成
张三 80 85 90
李四 70 84 91


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与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
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