Which SQL operator is used to check if a value is within a range? MCQ with Answer and Explanation

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Which SQL operator is used to check if a value is within a range?

A. IN

B. EXISTS

C. LIKE

D. BETWEEN

Answer: Option D

Solution (By JKSSB Mock Tests)

BETWEEN checks if a value falls within a specified range (inclusive of boundaries).

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

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Practice More Database Management System (DBMS) Questions

Question #1

In the context of databases, what is a 'tuple'?

A. A table itself

B. A row of a table

C. A key constraint

D. A column of a table

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Correct Answer: Option B

Explanation:
In relational databases, a tuple is a single row or record of a table.

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

Question #2

What value represents missing, unknown, or inapplicable data in a relational database?

A. NULL

B. Zero (0)

C. Void

D. Blank Space (' ')

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Correct Answer: Option A

Explanation:
NULL is a special marker used in SQL to indicate the absence of a value or that the data is missing, unknown, or not applicable.

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

Question #3

Which SQL command is used to modify the structure of an existing table?

A. MODIFY

B. ALTER

C. CHANGE

D. UPDATE

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Correct Answer: Option B

Explanation:
ALTER TABLE is a DDL command used to add, delete, or modify columns and constraints in an existing table.

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

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