Which data model uses objects, classes, and inheritance features, mirroring concepts from object-oriented programming? MCQ with Answer and Explanation

Question
Which data model uses objects, classes, and inheritance features, mirroring concepts from object-oriented programming?
A. Object-Oriented Data Model
B. Flat Data Model
C. Relational Data Model
D. Network Data Model
Answer: Option A
Solution (By JKSSB Mock Tests)
The Object-Oriented Data Model integrates object-oriented programming languages directly with databases, storing data as objects with attributes and methods.
This question belongs to: Computer Database Management System (DBMS)
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Practice More Database Management System (DBMS) Questions

Question #1
What is the difference between a database and a database management system?
A. Database is a file; DBMS is a table
B. A database is the data; DBMS is the software that manages it
C. They are the same
D. DBMS is the data; database is the software
Discuss
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Correct Answer: Option B

Explanation:
A database is a collection of structured data, while a DBMS is the software used to interact with and manage that data.
This question belongs to: Computer Database Management System (DBMS)
Question #2
What does DBMS stand for?
A. Database Management System
B. Digital Business Management Software
C. Dynamic Binary Manipulation System
D. Data Backup Management System
Discuss
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Correct Answer: Option A

Explanation:
DBMS stands for Database Management System, which is software for creating and managing databases.
This question belongs to: Computer Database Management System (DBMS)
Question #3
What is a database lock?
A. A user account
B. A backup file
C. A mechanism to prevent simultaneous access to the same data causing inconsistency
D. A type of index
Discuss
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Correct Answer: Option C

Explanation:
Locking is a concurrency control mechanism that ensures data integrity during simultaneous transactions.
This question belongs to: Computer Database Management System (DBMS)
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