Preface to the Third Edition
My favorite opening line for the database courses I teach is “Probably the most misunderstood term in all of business computing is database, followed closely by the word relational.” At that point, some students look a bit smug because they are absolutely, positively sure that they know what a database is and that they also know what is means for a database to be “relational.” Unfortunately, the popular press, with the help of some PC software developers, long ago distorted the meaning of both terms, which led many businesses to think that designing a database is a task that could be left to any clerical worker who had taken a one-week course on using database software. As you will see throughout this book, however, ...
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