What does DBMS stand for? MCQ with Answer and Explanation

Question
What does DBMS stand for?
A. Dynamic Binary Manipulation System
B. Database Management System
C. Digital Business Management Software
D. Data Backup Management System
Answer: Option B
Solution (By JKSSB Mock Tests)
DBMS stands for Database Management System, which is software for creating and managing databases.
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 main advantage of using a DBMS over a file system?
A. Data redundancy is minimized
B. Data security and access control are provided
C. All of the above
D. Data consistency is maintained
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Correct Answer: Option C

Explanation:
A DBMS offers advantages like reduced redundancy, consistency, security, concurrent access, and backup/recovery compared to file systems.
This question belongs to: Computer Database Management System (DBMS)
Question #2
Which rule state that 'no component of a primary key can accept a NULL value'?
A. Referential Integrity Rule
B. Entity Integrity Rule
C. Domain Constraint Rule
D. Security Integrity Rule
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Correct Answer: Option B

Explanation:
The Entity Integrity Rule states that a primary key column cannot contain NULL values, ensuring each row can be explicitly identified.
This question belongs to: Computer Database Management System (DBMS)
Question #3
What does the letter 'D' stand for in the widely accepted ACID properties of database transactions?
A. Definition
B. Data
C. Durability
D. Dependency
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Correct Answer: Option C

Explanation:
ACID stands for Atomicity, Consistency, Isolation, and Durability. Durability ensures that once a transaction commits, its changes survive system failures.
This question belongs to: Computer Database Management System (DBMS)
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