列出收入大于或等于同一部门的雇员的平均工资的雇员

Question

选择Fname，Lname，薪水，Dname

从业人员，部门

工资在哪里> =

（选择AVG（工资）

从雇员）；

按名称分组

Db小提琴链接：

https://www.db-fiddle.com/f/xhEj2sAgdTMABBkCtJvmoC/0#&togetherjs=z3CKywAccH

Answer 1

SELECT Fname, Lname, Salary, Dname
FROM EMPLOYEE AS E1
LEFT JOIN DEPARTMENT AS D ON Dnumber = Dno
WHERE Salary >= (SELECT AVG(Salary) FROM EMPLOYEE AS E2 WHERE E2.Dno = E1.Dno)
ORDER BY Dname, Fname, Lname