IT3020 – Database Systems | Lecture 03 | Object-Relational DB Concepts скачать в хорошем качестве

IT3020 – Database Systems | Lecture 03 | Object-Relational DB Concepts

YouTube Description Module: IT3020 – Database Systems Lecture: 03 In this lecture, we continue exploring Object-Relational Database (ORDB) concepts in detail using SQL object types. The lecture explains how object-oriented features are integrated into relational databases and demonstrates how to work with methods, nested tables, inheritance, and comparison methods. Topics Covered • Introduction to Object-Relational Database concepts • Creating object types in SQL • Defining member methods for objects • Implementing method bodies • Using SELF in object methods • Creating and using nested tables • Adding methods to nested tables • Understanding inheritance in ORDB • Method overriding and overloading • Object comparison methods: • MAP methods • ORDER methods This lecture provides practical examples to help students understand how object-oriented principles are applied in database systems. Module Information Module Code: IT3020 Module: Database Systems Audience This lecture is intended for undergraduate students studying Database Systems and anyone interested in learning Object-Relational Database concepts using SQL.