The first step in creating a relational database is to construct a data model: a precise, complete definition of the data you want to store. This chapter provides an overview of one way to model the data. For information about defining column-specific properties of a data model, see Choosing Data Types. To learn how to implement the data model that this chapter describes, see Implementing a Relational Data Model.
To understand the material in this chapter, a basic understanding of SQL and relational database theory are necessary.
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