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数据库技术自20世纪60年代诞生以来,为计算机收集、存储、加工和利用数据提供了全面的支持,并起到了十分关键的作用,已经成为当今计算机信息系统的核心技术,是计算机技术和应用发展的基础。围绕着数据结构和模型的演变,传统数据库技术相继经历了网状数据库、层次数据库和现今的关系数据库3个阶段。但是,随着Internet的发展和普及,关系数据库由于其局限性,越来越不能适应人们的需求,市场逐步萎缩,而一种基于Internet应用的全新Internet数据库正在迅猛崛起。
Since its birth in the 1960s, database technology has provided all-round support for computer to collect, store, process and utilize data and played a very crucial role. It has become the core technology of computer information system and is the development of computer technology and application Foundation. Around the data structure and evolution of the model, the traditional database technology has experienced three stages of the reticular database, the hierarchical database and the current relational database. However, with the development and popularization of the Internet, due to its limitation, the relational database can not meet people’s needs more and more, and the market is gradually shrinking. However, a new Internet database based on Internet applications is rapidly emerging.