A database is not just one table. Well, it can be of course, but any sophisticated database, such as one which you would use to manage an online bookshop, will comprise a number of tables, each handling a different collection of data.
While you can get some useful information from examining individual tables, you will get so much more from combining tables.
In this chapter, we will look at working with multiple tables, how they are related to each other, and how to combine them when the time comes.
Specifically, ...
