ADO 支持用于建立基于客户端/服务器和 Web 的应用程序的主要功能。其主要优点是易于使用、高速度、低内存支出和占用磁盘空间较少。ADO 同时具有远程数据服务 (RDS) 功能，通过 RDS 可以在一次往返过程中实现将数据从服务器移动到客户端应用程序或 Web 页、在客户端对数据进行处理然后将更新结果返回服务器的操作。-support for ADO-based client / server and Web application's main functions. Its main advantages are its ease of use, high speed, low memory and occupancy expenses less disk space. ADO also have a long-distance data services (RDS) function, RDS can be passed to and from a process of the realization of mobile data from the server to the client application or Web pages, in the client data will be processed before returning to the server to update the results of the operation.