Database concepts Quiz Class 12

Here’s a 15-question quiz based on the topics “Database Concepts: Introduction to Database Concepts and its Need” and “Relational Data Model: Relation, Attribute, Tuple, Domain, Degree, Cardinality, Keys (Candidate Key, Primary Key, Alternate Key, Foreign Key)”

1. What is a database?

 
 
 
 

2. Why is a database needed in the context of information management?

 
 
 
 

3. What is the primary purpose of a database management system (DBMS)?

 
 
 
 

4. In the context of databases, what is data integrity?

 
 
 
 

5. How does a relational database differ from other types of databases?

 
 
 
 

6. What is a relation in the context of the relational data model?

 
 
 
 

7. In a relational data model, what is an attribute?

 
 
 
 

8. What is a tuple in the context of the relational data model?

 
 
 
 

9. Define the term “domain” as it relates to the relational data model.

 
 
 
 

10. What does the “degree” of a relation represent?

 
 
 
 

11. In the relational data model, what is cardinality?

 
 
 
 

12. What is a candidate key in a relational database?

 
 
 
 

13. Define the term “primary key” in the context of the relational data model.

 
 
 
 

14. What is an alternate key in the relational data model?

 
 
 
 

15. In the relational data model, what is a foreign key?

 
 
 
 

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