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

The process of organizing a relational database schema to minimize data redundancy and prevent update anomalies is called what?
A. Normalization
B. Generalization
C. Denormalization
D. Aggregation
Answer: Option A
Solution (By JKSSB Mock Tests)
Normalization is the systematic process of structuring relational database schemas to eliminate redundant data and maintain data integrity through decomposition.

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Practice More Database Management System (DBMS) Questions

Question #1
What is the role of a database administrator (DBA)?
A. To develop applications
B. To manage and maintain the database system
C. To write queries
D. To design the user interface

Correct Answer: Option B


Explanation:
A DBA is responsible for the overall administration, maintenance, performance, security, and backup of the database system.

This question belongs to: Computer Database Management System (DBMS)
Question #2
Which command is used to retrieve data from a database?
A. SELECT
B. UPDATE
C. INSERT
D. DELETE

Correct Answer: Option A


Explanation:
The SELECT statement is used in SQL to query and retrieve data from tables.

This question belongs to: Computer Database Management System (DBMS)
Question #3
Which of the following is a valid SQL constraint that ensures a column's values are all distinct?
A. UNIQUE
B. DISTINCT
C. PRIMARY KEY
D. Both A and B

Correct Answer: Option D


Explanation:
Both UNIQUE and PRIMARY KEY enforce uniqueness. PRIMARY KEY also implies NOT NULL.

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