全局数据视图 meaning in English

global view of data

Data integration system , beforehand extract data from multiple distributed , autonomous , possibly heterogeneous information sources , then convert to overall view model stored in the local database , and responsible for the information modification
数据集成系统预先把数据从分布自治并可能异质的远程信息源中抽取出来，经过数据转换成为一个全局数据视图存放到本地数据库供用户使用，并负责这些数据视图的更新。