Imagine you are building a human resources application that allows retrieve and update of records based on data such as name, age, date of employment, salary, location and department.

• 设想一下你在编制一个人事资源管理的应用程序，该程序允许依据姓名、年龄、雇佣日期、工资、工作地点和部门等数据来检索和更新记录。