1. The Relational Data Model
You don't need to be a database designer to use SQL successfully. However, you do need to know a bit about how relational databases are structured and how to manipulate those structures. This chapter therefore will acquaint you with the basic elements of the relational data model and its terminology. We'll finish by looking at the design of the sample database used throughout this book. 1
1If you have been reading this book's companion volume, Relational Database Design and Implementation Clearly Explained, then you will be familiar with the concepts presented in this chapter. You can therefore skip to the last section of this chapter to review the design of the sample database.
Schemas and Entities
A database is a place ...
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