题目内容

与免疫功能有关的细胞是()E.

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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(*)>=4
B. 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(*)>=4
C. SELECT 仓库号,COUNT(*) AS 人数,AVG (工资) AS 平均工资 FROM 职工; GROUP BY 职工号 WHERE COUNT(*)>=4
D. SEIECT 仓库号,COUNT(*) AS 人数,AVG(工资) AS 平均工资 FROM 职工; GROUP BY 职工号 HAVING COUNT(*)>=4

以下5题使用下列数据表。
仓库(仓库号C(3)、所在地C(8)、人数N(2))
职工(仓库号C(3)、职工号C(2)、姓名C(8)、工资I)
检索有职工的工资大于或等于“WHl”仓库中所有职工“工资”的仓库号,正确的命令是()。

A. SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资>=ANY; (SELECT MAX(工资) FROM 职工 WHERE 仓库号="WH1")
B. SELECT DISTINC T仓库号 FROM 职工 WHERE 工资>=ANY; (SELECT 工资 FROM 职工 WHERE 仓库号="WH1")
C. SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资>=ALL; (SELECT 工资 FROM 职工 WHERE 仓库号="WH1")
D. SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资>=ALL; (SELECT MAX(工资) FROM 职工 WHERE 仓库号="WH1")

【C7】

A. In comparison
B. To the same extent
C. In a way
D. In contrast

传染性软疣的外治,应选用()E.

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