Computer Science Chapter 7 Database Fundamentals Mcqs Test Online Punjab 11th Class

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• >>

 0%

Question 1 of 10

Computer Science

1. What refers to the minimum number of times an instance in one entity can be associated with an instance in the related entity?

Relation

Modality

Cardinality

E-R diagram

Question 1 of 10

Question 2 of 10

2. An attribute is also called:

Field

Record

Relation

Entity

Question 2 of 10

Question 3 of 10

3. What is a key filed called that is used in relationship between tables whose value matches a primary key in the other table?

Candidate key

Secondary key

Foreign key

Alternate key

Question 3 of 10

Question 4 of 10

4. In which type of database, data is held in tables and tables are linked by common field?

Object-Oriented Database

Hierarchical Database

Network Database

Relational Database

Question 4 of 10

Question 5 of 10

5. In which database model, data is organized in tree-like structure?

Relational Database

Object-Oriented Database

Hierarchical Database

Network Database

Question 5 of 10

Question 6 of 10

6. What is a thing of interest to an organization called about which data is to be held?

Relation

Attribute

Field

Entity

Question 6 of 10

Question 7 of 10

7. A record is also called:

Entity

Tuple

Property

Attribute

Question 7 of 10

Question 8 of 10

8. If data is not updated in a file in file based data management systems, what type of problem will it cause?

Data inconsistency

Data overflow

Data redundancy

Invalid data

Question 8 of 10

Question 9 of 10

9. Duplication of data in different files is called _________.

Data inconsistency

Data redundancy

Data overflow

Invalid data

Question 9 of 10

Question 10 of 10

10. What refers to the maximum number of times an instance in one entity can be associated with instances in the related entity?

E-R diagram

Modality

Relation

Cardinality

Question 10 of 10

 Loading...

 

Other Related test

• Punjab 9th Class Islamic Studies Model Paper 5 Mcqs Test Online
• Punjab 9th Class Islamiat Chapter 2 Allah Aur Uss K Rasool Ki Muhabbat Mcqs Test Online
• Punjab 12th Class Chemistry Chapter 4 Group V-A and Group VI-A Elements MCQs Test Online
• Punjab 12th Class English The Man who was a hospital Chapter 6 MCQs Test Online
• Punjab 12th Class Math Chapter 5 Linear Inequalities and Linear Programming Mcqs Test Online
• Punjab 12th Class Physics Chapter 3 Electromagnetism Mcqs Test Online
• Punjab 11th Class Math Chapter 10 Trigonometric Identities Mcqs Test Online
• Punjab 9th Class Urdu Chapter 10 Mulki Parinday aur Doosray Janwar Mcqs Test Online
• Punjab 10th Class Islamic Studies Chapter 3 Aailee Zindagi ki Ahmiyat Mcqs Test Online
• Punjab 11th Class Computer Science Chapter 2 Computer Memory Mcqs Test Online