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【简答题】
在数据库“company”中为“dept”表增加一个新字段“人数”，编写满足如下要求的程序：根据“员工信息”表中的“部门编号”字段的值确定“部门信息”表的“人数”字段的值，即对“员工信息”表中的记录按“部门编号”归类。将“部门信息”表中的记录存储到“result”表中(表结构与“部门信息”表完全相同)。最后将程序保存为“result．prg”，并执行该程序。
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