What is an attribute called when it can hold more than one value for a single entity instance, such as multiple phone numbers for a person? MCQ with Answer and Explanation

Question
What is an attribute called when it can hold more than one value for a single entity instance, such as multiple phone numbers for a person?
A. Complex Attribute
B. Derived Attribute
C. Multi-valued Attribute
D. Composite Attribute
Answer: Option C
Solution (By JKSSB Mock Tests)
A Multi-valued Attribute is an attribute that can store multiple distinct values for a single entity instance (e.g., skill_set, phone_numbers).
This question belongs to: Computer Database Management System (DBMS)
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Practice More Database Management System (DBMS) Questions

Question #1
What is a data dictionary in a DBMS?
A. A backup of the database
B. A repository of metadata about the database
C. A table containing user data
D. A log file
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Correct Answer: Option B

Explanation:
The data dictionary stores metadata such as table definitions, column types, constraints, and other database objects.
This question belongs to: Computer Database Management System (DBMS)
Question #2
Which of the following is not a type of database model?
A. Network
B. Flat-file
C. Hierarchical
D. Object-oriented
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Correct Answer: Option B

Explanation:
Flat-file is not a database model; it is a simple file containing records. Hierarchical, Network, Relational, and Object-oriented are database models.
This question belongs to: Computer Database Management System (DBMS)
Question #3
Which of the following is an example of a DBMS?
A. Windows 10
B. Microsoft Excel
C. MySQL
D. Google Docs
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Correct Answer: Option C

Explanation:
MySQL is a popular relational database management system (RDBMS). Excel is a spreadsheet, not a DBMS.
This question belongs to: Computer Database Management System (DBMS)
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