Summary: March 24, 2008 ADBS: OR 1
Object Relational and Extended-
Relational Systems
Chapter 22
March 24, 2008 ADBS: OR 2
Outline
Introduction
OR ­ Data types
Simple
Complex
Structures
Collections
Referencing (pointers)
March 24, 2008 ADBS: OR 3
Why OR
OO paradigm exposes weakness of simple Relational Model;
Abstraction, encapsulation inheritance
RDBMS products and SQL language enjoy a large market share
and wide acceptation within users
Pressure on Relational DBMS software vendors to respond to OO

Source: Adam, Salah - Department of Information and Computer Science, King Fahd University of Petroleum and Minerals

Collections: Computer Technologies and Information Sciences