检索最少有4名职工仓库的职工平均工资的语句为()。A.SELECT 仓库号,COUNT(*) AS人数,AVG(工资)
检索最少有4名职工仓库的职工平均工资的语句为()。
A.SELECT 仓库号,COUNT(*) AS人数,AVG(工资) AS 平均工资 FROM 职工; GROUPBY 仓库号 WHERE COUNT(*)>=4
B.SELECT 仓库号,COUNT(*) AS人数,AVG(工资) AS 平均工资 FROM 职工; GROUPBY 仓库号 HAVING COUNT(*)>=4
C.SELECT 仓库号,COUNT(*) AS人数,AVG(工资) AS 平均工资 FROM 职工; GROUPBY 职工号 WHERE COUNT(*)>=4
D.SELECT 仓库号,COUNT(*) AS人数,AVG(工资) AS 平均工资 FROM 职工; GROUPBY 职工号 HAVING COUNT(*)>=4