试题详情

设有一个员工关系EMP(员工号,姓名,部门名,职位,薪资),若需查询不同部门中担任"项目主管"的员工的平均薪资,则相应的SELECT语句为: SELECT部门名,AVG(薪资) AS平均薪资 FROM EMP GROUP BY ( ) HAVING ( ) 将员工号为"10058"、姓名为"黄晓华"、部门名为"开发部"的元组插入EMP关系中的SQL语句为:Insert (请作答此空)

Ainto EMP Values(10058,黄晓华,开发部,,)

Binto EMP Values(10058,"黄晓华","开发部",,)

Cset to EMP Values(10058,黄晓华,开发部,,)

Dset to EMP Values(10058,"黄晓华","开发部",,)