Guru: A Modernization Experiment Using IBM Bob 2.0
October 5, 2026 Dan Darnell and Eric Whitcomb
The most common use case for business applications is the CRUD model. The Create, Read, Update, and Delete operations, performed against a business database, are found almost everywhere. Behind every fancy inquiry dashboard with all the graphical bling you can muster are a slew of tried and true so-called “maintenance programs” doing the heavy lifting over the data being presented. Whether it is back-office parameter tables, customer maintenance, or order entry applications, the CRUD model is fundamental. Most of us can whip out a simple green-screen maintenance program with our eyes closed in, oh, a couple hours or so, depending …
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