Foundations of Relational Implementation. Defining Relational Data Relational Data Manipulation Relational Algebra. Defining Relational Data. Review of Terminology Fig. 9-2 Implementing a Relational Database
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Data Definition Language (DDL) used to describe the database structure, i.e., names the tables in the database, the columns of those tables, defines indexes, and describes other structures such as constraints and security restrictions.Fig.9-3