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
[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]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5名职工的每个部门的职工基本工资的总额( )。A.SELECT 部门号,COUNT(*), SUM(基本工资) FROM 职工; HAVING COUNT(*)>=5B.SELECT 部门号,COUNT(*), SUM(基本工资) FROM 职工; GROUP BY 基本工资 HAVING COUNT(*)>=5C.SELECT 部门号,COUNT(*),SUM(基本工资) FROM 职工; GROUP BY 部门号 HAVING COUNT(*)>=5D.SELECT 部门号,COU
[单选题]检索最少有5名职工的每个部门的职工基本工资的总额( )。A.SELECT 部门号,COUNT(*),SUM(基本工资) FROM 职工; HAVING COUNT(*)>=5B.SELECT 部门号,COUNT(*),SUM(基本工资) FROM 职工; GROUP BY 基本工资 HAVING COUNT(*)>=5C.SELECT 部门号,COUNT(*),SUM(基本工资) FROM 职工; GROUP BY 部门号 HAVING COUNT(*)>=5D.SELECT 部门号,COUNT
[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)
[单选题]检索最少有5名职工的每个部门的职工基本工资的总额,正确的语句是( )。A.SELECT部门号,COUNT(*),SUM(基本工资)FROM职工; HAVING COUNT(*)>=5B.SELECT部门号,COUNT(*),SUM(基本工资)FROM职工; GROUP BY基本工资HAVING COUNT(*)>=5C.SELECT部门号,COUNT(*),SUM(基本工资)FROM职工; GROUP BY部门号HAVING COUNT(*)>=5D.SELECT部门号,COUNT(*),SUM
[单选题]已知若干企业职工的平均工资和职工人数资料,要计算这些企业职工的总平均工资,按加权算术平均数计算时,应选择的权数是( )。A.平均工资B.工资总额C.职工人数D.企业个数