【摘要】 本文讨论了土壤肥力管理信息系统的开发中能够提高开发效率和增加软件易用性的一些关键技术。另外,对数据库软件特有的其它一些技术问题如动态打开数据库和数据表、包含不定可选项字段的代码表的建立,以及同步计算等,作者也提出了自己的解决方法。更多还原

【Abstract】 This paper introduces the key techniques in Soil Fertility Management Information System 憇 software Developing which can enhances the Programming efficiency and makes the software be used easier. Some expert techniques in Database Programming also be discussed such as how to open database file or table dynamically, how to create a table to deal with uncertain amount of Records, and how to calculate immediately after input a Record.更多还原