Visual C++提供了多种多样的数据库访问技术——ODBC API、MFC ODBC、DAO、OLE DB、ADO等。这些技术各有自己的特点，它们提供了简单、灵活、访问速度快、可扩展性好的开发技术。-Visual C++ provides a variety of database access technology- ODBC API, MFC ODBC, DAO, OLE DB, ADO, etc.. These technologies have their own characteristics, they provide a simple, flexible, fast access, scalability, good development techniques.