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Two methods of data modeling are supported by CA ERwin DM, which include:
The IDEF1X method was developed by the United States Air Force. It is now used in various governmental agencies, in the aerospace and financial industry, and in a wide variety of major corporations.
The IE method was developed by James Martin, Clive Finkelstein, and other IE authorities and is widely deployed in a variety of industries.
Both methods are suited to environments where large-scale, rigorous, enterprise‑wide data modeling is essential.
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