为c++类的调用，要求在c++环境中运行-For c++ type of call requires c++ environment

mapping of oracle type in c#.NET framework

VC中动态打开数据库的实现 运行环境：Microsoft Visual C++6.0 注意事项： 请勿转换为(Access2000 型)-VC in the open database realization of dynamic Operating environment: Microsoft Visual C++6.0 Note: Do not convert (Access2000 type)