20081121

说明：  VFP开发的主控程序，其中用了多种方法和技巧实现对用户权限的控制和选择。(VFP development of the control procedures, which use a variety of methods and techniques to achieve competence of the user control and choice.)

query for sybase system very good for biginner

能够连接access 数据库和C++原代码,使用ado方式(Able to connect access database and C++ original code)

说明：  通过引用redis基础类库，实现对redis的读取和写入操作。例子比较初级。(By referring to the redis base class library, we can read and write redis. The example is more elementary.)

Handling null fields in SQL queries

说明：  此压缩文件包含2002年-2017年200多个地级市资本存量的数据，里面有详细的计算过程与说明。(This document contains the capital stock data of more than 200 cities in 2002-2017, including detailed calculation process and description, which is convenient for scholars to understand and master)

连接access数据库实例，简单的操作access数据库(Connecting access database instance)

dbf filter sample I found and very useful for dbf database programing

sqlite-3_3_7 源代码，最稳定的sqlite源码，可以编译成linux、windows、mac等版本(sqlite-3_3_7 源码)

A very simple VB Source that can read / write from access database to Grid