The Analysis And Design Of Data Model In Power Enterprise

Marketization and informatization are the basic features of modern electricity. Power enterprises have built many information manage system on a certain scale by means of long-term informational constructions.Power enterprises have four features: large scale,complicated modules,diversified data format and incongruous data sources. Enterprise data model from the overall business perspective,structures the overall structure of the model of business data,achieves the consistency description of the overall business data.This article studies the technology of data warehouse,analyses the standard in building common information modules,designs data modules of power enterprise data warehouse by using the method of building relational data model,to support related data and uniform lexeme for the data-communication in data-layer,to support graspable and uniform viewgraph for the different systems of power enterprises by breaking the isolated information resources in data layer.