单项选择题
(31)到(35)题使用如下数据表。 部门(部门号C(2)、部门名称C(10) ) 职工(部门号C(2)、职工号C(4)、姓名C(8)、基本工资N(7,2) )
A. ALTER TABLE部门ALTER人数I B. ALTER TABLE部门ALTER FIELDS人数I C. ALTER TABLE部门ADD人数I D. ALTER TABLE部门ADD FIELDS人数I
A. APPEND BLANK职工VALUES("33","3305","李运来","2700.00") B. APPEND INTO职工VALUES("33","3305","李运来",2700.00) C. INSERT INTO职工VALUES("33","3305","李运来","2700.00") D. INSER INTO职工VALUES("33","3305","李运来",2700.00)
A. SELECT部门号,COUNT(*),SUM(基本工资)FROM职工; HAVING COUNT(*)>=5 B. SELECT部门号,COUNT(*),SUM(基本工资)FROM职工; GROUP BY基本工资HAVING COUNT(*)>=5 C. SELECT部门号,COUNT(*),SUM(基本工资)FROM职工; GROUP BY部门号HAVING COUNT(*)>=5 D. SELECT部门号,COUNT(*),SUM(基本工资)FROM职工; GROUP BY部门号WHERE COUNT(*)>=5