试图显示薪水高于平均工资的导师姓名

Question

我尝试做的是

SELECT tName, avg(Tutor.salary) AS avgSalary
FROM Tutor
GROUP BY tName
HAVING Tutor.salary > avgSalary;

Answer 1

由于您的问题不完整，我假设您在表tName中有列salary和Tutor。你想要做的是提取平均值然后比较：

SELECT tName, salary FROM Tutor
WHERE
salary > (SELECT avg(salary) FROM Tutor);