求至少有两个职工的每个仓库的平均工资 A.SELECT仓库号,COUNT(*),AVG(工资)FROM职工
求至少有两个职工的每个仓库的平均工资
A.SELECT 仓库号,COUNT(*),AVG(工资)FROM 职工表;
HAVING COUNT(*)>=2
B.SELECT 仓库号,COUNT(*),AVG(工资)FROM 职工表;
GROUP BY 仓库号 HAVING COUNT(*)>=2
C.SELECT 仓库号,COUNT(*),AVG(工资)FROM 职工表;
GROUP BY 仓库号 SET COUNT(*)>=2
D.SELECT 仓库号,COUNT(*),AVG(工资)FROM 职工表;
GROUP BY 仓库号 WHERE COUNT(*)>=2