Chapter 27

Object-Relational Databases

Abstract

This chapter introduces readers to the object-oriented paradigm and how the relational data model has been extended to support a hybrid object–relational data model. The chapter covers the basic principles of object-orientation and the nature of pure object-oriented databases. It then discusses the object–relational data model in depth, followed by how SQL provides support for that model. Topics include SQL data types for object-oriented features, user-defined data types, typed tables, and methods that are a part of user-defined data types.

Keywords

object-oriented paradigm
object-oriented databases
object-oriented DBMS
SQL
object-relational data model
SQL object-oriented features
user-defined data ...

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