【摘要】 数据库应用环境已发生变化 ,Web正在成为获取和发布信息的标准手段 ,数据库处理的数据对象已从结构化数据扩展到非结构化形式。要适应这种变化 ,数据库系统必须改变只存储数字和字符的方式 ,转而去存取由类库管理的对象 ,每个对象既要包含数据又要包含对象的行为。实现面向对象数据库可有三种途径更多还原

【Abstract】 This paper first simply introduced the change in database application environment.Web has being the standard means that getting and publishing information.The data objects that database deal with have extended from structured data to non structured data.The paper pointed out in succession that database system must change its work mode that only store digital and character.It should store and get objects managing by class libraries.These objects should contain data and their behaviour.In the end,the paper give out three approaches that realize the object oriented database.更多还原