During this period, three new decision support techniques rose abroad, they are data warehouse (DW), Online Analytical Processing (OLAP) and Data Mining (DM).

• 90年代中期以后则进入了采用多项新技术的综合决策支持系统阶段；这一时期；国外兴起了三项决策支持新技术；即数据仓库(DW)、联机分析处理(OLAP)、数据挖掘(DM).