求至少有4个职工的每个仓库的工资总和( )。

A．SELECT 仓库号,COUNT(*),SUM(工资) FROM 职工; WHERE COUNT(*)＞=4

B．SELECT 仓库号,COUNT(*),SUM(工资) FROM 职工; GROUP BY 仓库号 SET COUNT(*)＞=4

C．SELECT 仓库号,COUNT(*),SUM(工资) FROM 职工; GROUP BY 仓库号 HAVING COUNT(*)＞=4

D．SELECT 仓库号,COUNT(*),SUM(工资) FROM 职工; GROUP BY 仓库号 WHERE COUNT(*)＞=4

[单选题]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；H．AVING COUNT（*）>=2B．SELECT 仓库号，COUNT（*），AVG（工资）FROM 职工表；G．ROUP BY 仓库号 HAVING COUNT（*）>=2C．SELECT 仓库号，COUNT（*），AVG（工资）FROM 职工表；G．ROUP BY 仓库号 SET COUNT（*）>=2D．SELECT 仓库号，COUNT（*），AVG（工资）

[单选题]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； HAVINGCOUNT(*)＞=2B．SELECT仓库号,COUNT(*)，AVG(工资)FROM职工表； GROUPBY仓库号HAVING COUNT(*)＞=2C．SELECT仓库号,COUNT(*)，AVG(工资)FROM职工表； GROUPBY仓库号SET COUNT(*)＞=2D．SELECT仓库号,COUNT(*)，AVG(工资)FROM职工表； GROUPBY

[单选题]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(*)>=2B．SELECT 仓库号,COUNT(*),AVG(工资)FROM 职工表; GROUP BY 仓库号 HAVING COUNT(*)>=2C．SELECT 仓库号,COUNT(*),AVG(工资)FROM 职工表; GROUP BY 仓库号 SET COUNT(*)>=2D．SELECT 仓库号,COUNT(*),AVG(工资)

[试题]假设有职工表(职工号，仓库号，工资)，将下面的SQL语句补充完整，求至少有两个职工的每个仓库的平均工资。SELECT仓库号，COUNT(﹡)，AVG(工资)FROM职工；G．ROUP BY仓库号__________COUNT(﹡)>=2

[填空题] 每个尺寸链至少有（）个环。

[单选题]检索最少有4名职工仓库的职工平均工资( )。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(*)＞=4B．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(*)＞=4C．SELECT 仓库号,COUNT(*) AS人数,AVG(工资) AS 平均工资 FROM 职工; GROUPBY 职工号 W

[单选题]检索最少有4名职工仓库的职工平均工资( )。A．SELECT 仓库号,COLINT(*) AS 人数,AVG(工资) AS 平均工资 FROM 职工; GROUP BY 仓库号 WHERE COUNT(*)＞=4B．SELECT 仓库号,COUNT(*) AS 人数,AVG(工资) AS 平均工资 FROM 职工; GROUP BY 仓库号 HAVING COUNT(*)＞=4C．SELECT 仓库号,COUNT(*) AS 人数,AVG (工资) AS 平均工资 FROM 职工; GROUP

[单选题]检索最少有4名职工的仓库的职工平均工资（ ）。A．)SELECT仓库号，COUNT(﹡)AS人数，AVG(工资)AS平均工资FROM职工；G．ROUP BY仓库号WHERE COUNT(﹡)>=4B．)SELECT仓库号，COUNT(﹡)AS人数，AVG(1资)AS平均工资FROM职工；G．ROUP BY仓库号HAVING COUNT(﹡)>=4C．)SELECT仓库号，COUNT(木)AS人数，AVG(工资)AS平均工资FROM职工；G．ROUP BY职工号WHERE COUNT(

[单选题]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(*)＞=4B．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(*)＞=4C．SELECT 仓库号,COUNT(*) AS人数,AVG(工资) AS 平均工资 FROM 职工; GROUPBY 职

[单选题]利用SQL语句，检索仓库中至少有一名职工的仓库信息，正确的命令是______.A．SELECT。FROM仓库表WHEREIN； (SELECT仓库号FROM职工表)B．SELECT 2p FROM仓库表WHERENOTm； (SELECT仓库号FROM职工表)C．SELECT：：FROM仓库表WHERE仓库号EXISTS； (SELECT*FROM职工表WHERE仓库号：仓库表．仓库号)D．SELECT*FROM仓库表WHEREEXISTS； (SEL。E(：T*FROM职工表WHERE仓库号：