Methods

erwin� Data Modeler supports two methods of data modeling:

IDEF1X

The United States Air Force developed the IDEF1X method. The IDEF1X method is now used in various governmental agencies, in the aerospace and financial industry, and in a wide variety of major corporations.

IE (Information Engineering)

James Martin, Clive Finkelstein, and other IE authorities developed the IE method, which is widely deployed in various industries.

Both methods are suited to environments where large-scale, rigorous, enterprise-wide data modeling is essential.