书店销售管理系统，SQL编程学习源码，很好的参考资料。
Bookstore sales management system, learning SQL programming source code, a good reference. (2013-12-29, SQL, 1654KB, 下载3次)
用SQL编程的工资管理系统，有工资管理，工资标准设定，医疗保险，工资核算等等功能
SQL programming with payroll system, there are payroll, wage setting, health insurance, payroll accounting, etc. functions
(2011-05-12, SQL, 89KB, 下载7次)
考勤管理系统
PowerBuilder9.0实用编程技巧教程源代码
Attendance Management System PowerBuilder9.0 practical programming skills Guide source code (2006-05-12, SQL, 216KB, 下载20次)