SQL查询语句优化
select top 5 peopleName,peopleSalary, peopleSex
from people where peopleSex ='男'order by peopleSalary desc
select top 5 peopleName,peopleSalary, peopleSex
from people where peopleSex='女' order by peopleSalary desc
查询工资最高的5位男员工 查询工资最高的5位女员工 如何合并成一条SQL语句啊？
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SELECT * FROM ( SELECT ROW_NUMBER() OVER (PARTITION BY peopleSex ORDER BY peopleSalary DESC) rowid, peopleName,peopleSalary, peopleSex FROM people ) TT WHERE TT.rowid <= 5;
2022-06-29 15:59:46赞同 展开评论 打赏 -
select top 5 * from ..... where .... union select top 5 * from ..... where ....
2022-03-02 08:49:38赞同 展开评论 打赏 -
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