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Welcome to the Data Models MCQs Page

Dive deep into the fascinating world of Data Models with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Models, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Models, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

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Check out the MCQs below to embark on an enriching journey through Data Models. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Models. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Models MCQs | Page 9 of 19

Q81.
Which of the following is a technique for hiding the internal implementation details of an object?
Discuss
Answer: (a).Encapsulation
Q82.
The term Complete for a UML has the same meaning as which of the following for an EER diagram?
Discuss
Answer: (c).Total specialization rule
Q83.
Which of the following is an unordered collection of elements that may contain duplicates?
Discuss
Answer: (b).Bag
Q84.
Which of the following is an ordered collection of elements of the same type?
Discuss
Answer: (c).List
Discuss
Answer: (d).All of the above.
Q86.
Using ODL, you can define which of the following?
Discuss
Answer: (d).All of the above.
Discuss
Answer: (d).Both directions.
Discuss
Answer: (a).Similar to SQL and uses a select-from-where structure
Discuss
Answer: (d).All of the above.
Q90.
Identify the class name for the following code:
ABC123 course();
Discuss
Answer: (a).ABC123

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