基于java JDBC的一个数据库驱动程序，程序分为3层：驱动层及一个数据库连接池；数据库基本操作层（对数据库的查询，删除，修改等基本操作）；功能指令层，主要是通过实际问题编写实际操作指令。-Based on a java JDBC driver, the program is divided into three layers: the driver layer and a connection pool basic operation layer (for query, delet

Automatically generate Business and Data layers a SQL Server, MySql or SQLIte design.-The screen is pretty intuitive and there are help icons next to every option. You can hover over any of the help icons to get a tooltip fly out with more informatio

一个三层结构的数据库系统实例,程序CS结构，客户端和服务端完整，程序演示通过3层数据连接，将读取的数据绑定显示到DataGird控件中。-An example of a system with three layers structure