Supports flow-based ETL and entity-relationship based ETL combination

摘要

A data integration system is disclosed that incorporates one or more techniques for eases the design and maintenance of a mapping. As components are added to an existing design, the data integration system removes the need to specify all input and output attributes. In one aspect, components types are implement that allow entity relationships to be added and/or edited in a flow view of a logical design. Therefore, attributes of components representing datasets can be added and propagated to downstream components with minimal effort on the part of a map designer.