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说明：  hr人力资源系统 sqlserver数据库(hr human resources systems sqlserver database)

一个简单的c代码的hash表数据库框架，(A simple c code hash table frame)

说明：  根据ODBC3.x driver 编写的操作数据库的库(operate the database )

说明：  每组不超过4人，每人从TPC-H中选择至少三个查询进行执行，并进行性能调整。同组人员所选择的查询不能相同。各查询均必须包含：两个以上的表连接操作，其包含至少一个聚集函数。 每位同学的该作业均放在一个命名如“姓名-学号-专业-作业1”的目录中 用尽能想到的所有技术方法，使得选定的查询的某些性能指标尽可能的差 用尽能想到的所有技术方法，使得选定的查询的某些性能指标尽可能的好(Each group has no more than 4 people. Each person selects at least three queries from TPC-H to perform and performs performance adjustment. The queries selected by the same group can not be the same. Each query must contain more than two table join operations, which contain at least one aggregation function. Each student's homework is placed in a directory named "name student number professional operation 1". Using all the technical methods that can be thought of, make certain performance indicators of selected queries as poor as possible. Use all the technical methods that you can think of, and make certain performance indicators of selected queries as good as possible.)

者使用vc++开发数据库的方法教程，含有vc++源码，参照文本学习可以比较清楚的理解方法，且提供了代码，可以用作例子，唯一不足在于代码是写在word文档中的，需要读者自己复制到vc++中使用(Use vc++ Development tutorial database, which contains vc++ Source, in the light of the text be in a better position to learn the understanding of methods, and provides the code, can be used as examples, the only shortage is that the code is written in the word document The need to copy itself to the reader vc++ use)

用VFP编写的报亭管理系统(VFP prepared by the newsstand Management System)

说明：  一个带界面的在线测试系统，从数据库中随意抽题，在线回答，并且反馈答案。(An interface with the online testing system, arbitrarily drawn from the database title, on-line to answer, and the feedback answer.)

PB中的PFC使用例程，包含精简PFC类库(PB PFC use routines, including streamlining the PFC)

我我大号是佛山ID酒叟覅偶的搜救富欧式的地搜佛寺丢分(jksdhkerhgoiprjkgjeoprjgp)

说明：  高速公路路基边坡信息管理系统，实现施工信息添加、删除、检索等功能(Highway Subgrade Slope Information Management System)