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. LIKE

B. EXISTS

C. BETWEEN

D. IN

Answer: Option C

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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Question #1

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The process of organizing a relational database schema to minimize data redundancy and prevent update anomalies is called what?

A. Normalization

B. Denormalization

C. Aggregation

D. Generalization

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Correct Answer: Option A

Explanation:
Normalization is the systematic process of structuring relational database schemas to eliminate redundant data and maintain data integrity through decomposition.

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

Question #2

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Which of the following is a property of a transaction that ensures that the database remains in a valid state before and after the transaction?

A. Durability

B. Isolation

C. Consistency

D. Atomicity

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Correct Answer: Option C

Explanation:
Consistency ensures that a transaction brings the database from one valid state to another, maintaining all defined rules and constraints.

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