What does DBMS stand for? MCQ with Answer and Explanation

Question

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What does DBMS stand for?

A. Database Management System

B. Digital Business Management Software

C. Dynamic Binary Manipulation System

D. Data Backup Management System

Answer: Option A

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

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What is the default sorting order when using the ORDER BY clause in an SQL statement?

A. Descending

B. Alphabetic only

C. Random

D. Ascending

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Correct Answer: Option D

Explanation:
By default, the ORDER BY clause sorts the query results in ascending order unless specified otherwise using the DESC keyword.

This question belongs to: Computer Database Management System (DBMS)

Question #2

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What type of entity cannot be uniquely identified by its own attributes alone and must rely on a relationship with a parent entity?

A. Weak Entity

B. Associative Entity

C. Abstract Entity

D. Strong Entity

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Correct Answer: Option A

Explanation:
A Weak Entity is an entity that does not possess its own primary key and depends on an identifying relationship with a strong (owner) entity.

This question belongs to: Computer Database Management System (DBMS)

Question #3

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Which constraint ensures that all values in a column are unique?

A. PRIMARY KEY

B. UNIQUE

C. CHECK

D. FOREIGN KEY

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Correct Answer: Option B

Explanation:
UNIQUE constraint ensures that all values in a column are distinct, but allows NULL (unless combined with NOT NULL).

This question belongs to: Computer Database Management System (DBMS)

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