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| DDC utilizes the 4D engine to make its programs run faster and more efficiantly. 4D is a multi award-winning database development suite of tools. Using this high performance technology allows DDC to develop feature rich applications that work in stand-alone, multi-user and web environments on Windows and Macintosh OSX platforms. All applications run under version 4D SQL 11. We are in the process of upgrading to 4D version 12.. |