12 Questions
What is the term for a real-world entity in object-oriented databases?
Object
What represents the state of an object in object-oriented databases?
Properties
What is the primary purpose of abstraction in object-oriented databases?
To capture necessary information and exclude unneeded information
What is the term for the ability of an object to maintain a private state within its assigned class?
Encapsulation
What enables objects to acquire some of the attributes or properties of another object in object-oriented databases?
Inheritance
What enables a child class to use class attributes like its parent class, while retaining all of its unique methods and attributes?
Polymorphism
What is a key advantage of object-oriented databases compared to relational databases?
Fast queries with complex data
What is the purpose of Object Definition Language (ODL)?
To define the structure of an Entity-relationship diagram
What is a common challenge of using object-oriented databases?
They can be complex and difficult to learn and use
What is the primary benefit of object-oriented databases in terms of code?
Improved code reuse and modularity
What is the relationship between object-oriented databases and object-oriented programming languages?
They are used together to boost productivity
What is the purpose of Object Query Language (OQL)?
To query objects in an object-oriented database
Learn the basics of object-oriented databases, including objects, attributes, and methods. Understand how objects are created from classes and how they have properties and behaviors. Test your knowledge of OOD concepts.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
