The top-down approach is to implement the data warehouse in a single project phase.
自顶向下的方法就是在单个项目阶段中实现数据仓库。
A data warehouse is an integrated collection of databases rather than a single database.
数据仓库是集成的数据库集合，而非单个数据库。
A data warehouse is an integrated collection of databases rather than a single database.
数据仓库是集成的数据库集合，而非单个数据库。
应用推荐