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One thing that sets CA-Clipper apart from other high-level programming languages is its focus, like other Xbase languages, on manipulating large amounts of data effortlessly. Let's face it: We don't write a lot of "Hello, World" applications in Ca-Clipper. Anything that speeds up data access presumably speeds up the main portion of a CA-Clipper application. The Six Driver 2.0, by SuccessWare 90 Inc., is just such a product. An upgrade to its previous offering, 2.0 adds speed and quite a few new features to the world of RDDs.
What's an RDD?
When CA-Clipper 5.0 was first introduced, one of its most exciting new concepts was a feature called a Replaceable Database Driver RDD . The idea behind an RDD is the ability to use a variety of file structures to store data, with each format defined and handled through a driver. The Clipper application could then open data files and retrieve and store data without knowing (or caring) exactly how it's being stored. The RDD knows how the data is stored and how to access it, handling all the details for you.
Each work area can have its own …