Understanding Database Design
In this chapter, you'll take a look at three kinds of databases: flat file, DBM, and relational. You'll build a different database using each type of database so that you can see the differences among the three methods of storing information. The three methods used here require little or no money to use and build. Nearly everyone can work with databases, and most database applications—free or commercial—operate on the same basic principles.
The most difficult and daunting task is how to go about designing your database to store and retrieve information. What would happen if you wanted to upgrade your database or if you needed to insert additional information (fields or tables, for example) to your database? How will ...
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