select id, name, salary, jobid
from employee
where (salary, jobid) =
(select salary, jobid from employee where id = 159)
from employee
where (salary, jobid) =
(select salary, jobid from employee where id = 159)
本文将深入探讨如何使用SQL子查询技术来优化查询过程,特别是针对员工薪资和职位的复杂查询。通过实例演示,读者可以学会如何在不牺牲性能的情况下,高效地获取所需数据。
1298
2031
1358
2327
2546

被折叠的 条评论
为什么被折叠?