[英]SQL: Column Must Appear in the GROUP BY Clause Or Be Used in an Aggregate Function
[英]SQL: Must appear in the GROUP BY clause or be used in an aggregate function
我有一个表,显示一个团队的薪水,我想显示每个团队每年的最低,最高和平均薪水。
我的桌子看起来像:
我运行以下SQL:
SELECT MIN(salary), MAX(salary), AVG(salary), teamID, yearID FROM salaries;
但是出现以下错误:
错误:“ salaries.teamid”列必须出现在GROUP BY子句中或在聚合函数中使用
这是什么意思?
尝试这个
SELECT MIN(salary), MAX(salary), AVG(salary), teamID, yearID FROM
salaries group by teamID,yearID
SELECT MIN(salary), MAX(salary), AVG(salary), teamID, yearID
FROM salaries
GROUP BY teamID, yearID;
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