NoSQL databases MCQs in DBMS

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1. Which of the following is a characteristic of an object-oriented database model?



2. In an object-oriented database, an object is defined as:



3. Which feature of the object-oriented model allows objects to inherit properties and methods from other objects?



4. What does OODBMS stand for?



5. In the object-oriented model, a class is:



6. Which of the following best describes polymorphism in an object-oriented database?



7. What is encapsulation in the context of an object-oriented database?



8. In an object-oriented database, a method is:



9. Which of the following is NOT a benefit of an object-oriented database model?



10. Which of the following is an example of an object-oriented database management system?



11. In an object-oriented database, the term “message” refers to:



12. Which concept in the object-oriented model ensures that an object can be represented in multiple forms?



13. The process of defining an object’s structure and behavior without specifying its implementation is known as:



14. In object-oriented databases, objects that share common properties and methods are grouped into:



15. Which of the following is a key challenge in implementing object-oriented databases?



16. In an object-oriented database, a “constructor” is:



17. Which of the following features in the object-oriented model allows objects to be reused in different programs?



18. Which term refers to the ability of different classes to respond to the same message in different ways in an object-oriented database?



19. Which of the following best describes the concept of “object identity” in an object-oriented database?



20. Which of the following is a key advantage of using an object-oriented database?



MCQs on Object-Oriented Model in DBMS

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