作者: Carlos Guestrin , Haijie Gu , Yucheng Low , Sethu Raman , Evan Samanas
DOI:
关键词: Upload 、 Data abstraction 、 Data type 、 Layer (object-oriented design) 、 Database 、 Server-side 、 Computer science 、 Data source 、 Object (computer science)
摘要: A method receives a first request from client object at device. The specifies data source. In response to the request, uploads source, stores as plurality of columns, and instantiates server that provides access columns. later second object. transformation data. one or more additional columns Each is constructed according requested transformation, each includes values all having same type.