IBM Rational System Architect vs IDERA ER/Studio comparison

IBM Rational System Architect is an enterprise architecture solution for visualizing, analyzing, and communicating enterprise architecture and business process analysis. This solution provides decision support, process optimization, and integration into solution delivery. Rational System Architect addresses all aspects of your organization's enterprise architecture, including modeling, publishing, analysis, and execution.

IDERA ER/Studio is a powerful suite for business-driven data modeling that enables companies to create an enterprise architecture foundation for data governance. With round-trip support for multiple database platforms, data architects have the power to reverse-engineer, analyze, and optimize existing databases easily from diverse platforms. Data professionals can easily capture and share models, metadata, data sources, and glossaries across the organization for improved alignment between the organization and Information Technology. Organizational stakeholders can take part in the metadata definition workflow and access information on models and metadata at the right level for their needs.

Unlike its competition, it provides the broadest range of data platform support, industry-leading enterprise-level capabilities, visual data lineage and flow modeling, full dimensional modeling for data warehousing and business intelligence, and business data objects to bridge the gap between developers and data architects. It also provides a complete solution for enterprise architecture and data governance, extensive model change management, unique incorporation of true enterprise data dictionaries, unique linking of constructs across models, integrated visual data lineage import, and integrated data and business process modeling.