Why Object-Oriented DBMS?

4/26/99


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Table of Contents

Why Object-Oriented DBMS?

SQL Doesn’t Work in Scotland

Programs with SQL

Cursors

Two Approaches to OO

Object Definition Language

ODL Class Declarations

Example Interface

Type System

OQL: Object Query Language

Path Expressions

Select-From-Where in OQL

Complications in the FROM Clause

Complex Output Types

Interface with Host Language

Row Types in SQL-3

Relations as Row Types

References

Abstract Data Types in SQL3

Address ADT

Differences Between OODB Approaches

Author: alon

Email: zives@cs.washington.edu

Home Page: http://www.cs.washington.edu/homes/zives

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