两种实现数据库连接池的方法，从不同角度，我是过第一种，很好用-two Database Connection Pool, from different angles, I had the first one, that's fine with

使用C++编程语言，连接对Access数据库进行操作，常用的方法有DAO和ADO两种方式，本文将介绍采用ADO的方式方位Access数据库。-Use C++ programming language, connection Access operations, commonly used methods are two ways DAO and ADO, this article will introduce the use of ADO approach azimuth Access .

用c# 写的连接数据库 连接数库，并可对数据库进行显示 显示方法用了两种(Written in c# connection database connection library, and can be displayed on the database display method using two)

连接SQL server数据库的两种方法，一种是用配置文件，一种的接口(There are two ways to connect to the SQL server database, one with the configuration file and the other with an interface)