[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
我有一個表,顯示一個團隊的薪水,我想顯示每個團隊每年的最低,最高和平均薪水。
我的桌子看起來像:
我運行以下SQL:
SELECT MIN(salary), MAX(salary), AVG(salary), teamID, yearID FROM salaries;
但是出現以下錯誤:
錯誤:“ salaries.teamid”列必須出現在GROUP BY子句中或在聚合函數中使用
這是什么意思?
嘗試這個
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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