This paper first introduced the value-added service depth management\'s concept,has analyzed the existing IT support system present situation,give a set of operation IT support system based on the enterprise data warehouse support value-added service depth,and has carried on the discussion to value-added service\'s depth operation IT support difficulty.

Constructing methods for enterprise spatial data warehouse;

This article analyses the problems in the area of informationization construction in shipbuilding enterprises,and proposes construction requirements,key technologies,research approach for the shipbuilding enterprise database.