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