职工信息包括职工号、姓名、性别、年龄、学历、工资、住址、电话等（职工号不重复）。试设计一职工信息管理系统，使之能提供以下功能：

（1）系统以菜单方式工作；

（2）职工信息录入功能（职工信息用文件保存）；

（3）职工信息浏览功能；

（4）职工信息查询功能，查询方式：按学历、职工号查询等；

（5）职工信息删除、修改功能。

-Information including the number of workers union, name, sex, age, education, salaries, addresses, telephone numbers, etc. (number of workers of non-repetition). Workers try to design a management information system so that it can provide the following functions: (1) the way the menu system to work　(2) staff input function information (information workers saved documents)　(3) staff information browsing　(4) Information trade unions function, query methods: according to their academic qualifications, trade unions, such as its inquiries　(5) information workers to delete, modify function.