"Building a Data Warehouse for Decision Support" Get help from the experts at Eclipse Data Systems. Purchase your copy now! Precision, Clarity, Understanding Eclipse Data Systems is a large-scale data integration consulting firm specializing in the development of strategic information architecture that addresses the business objectives of the business community while acknowledging the pragmatic realities of supporting a current operation. We understand the organizational, technical, human resource and business process challenges that arise within the context of developing and implementing a strategic information architecture vision. We assist our clients in every phase of data warehouse development from strategy planning through implementation and operations management.