CHAPTER 3Practical: A Simple Database

Obviously, before you can start building real software in Lisp, you'll have to learn the language. But let's face it—you may be thinking, "'Practical Common Lisp,' isn't that an oxymoron? Why should you be expected to bother learning all the details of a language unless it's actually good for something you care about?" So I'll start by giving you a small example of what you can do with Common Lisp. In this chapter you'll write a simple database for keeping track of CDs. You'll use similar techniques in Chapter 27 when you build a database of MP3s for our streaming MP3 server. In fact, you could think of this as part of the MP3 software project—after all, in order to have a bunch of MP3s to listen to, it ...

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