Punjab 11th Class Computer Science Chapter 7 Database Fundamentals Mcqs Test Online Computer Science Chapter 7 Database Fundamentals Mcqs Test Online Punjab 11th Class 12345678910 10% Question 1 of 10Computer Science 1. Duplication of data in different files is called _________. Data redundancy Data overflow Invalid data Data inconsistency Question 1 of 10Question 2 of 10 2. In which database model, data is organized in tree-like structure? Object-Oriented DatabaseNetwork Database Relational Database Hierarchical Database Question 2 of 10Question 3 of 10 3. What is a thing of interest to an organization called about which data is to be held? Relation AttributeEntity Field Question 3 of 10Question 4 of 10 4. 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 4 of 10Question 5 of 10 5. In which type of database, data is held in tables and tables are linked by common field? Hierarchical Database Relational Database Network Database Object-Oriented Database Question 5 of 10Question 6 of 10 6. An attribute is also called: Record Entity Field RelationQuestion 6 of 10Question 7 of 10 7. A record is also called: Entity Property Attribute Tuple Question 7 of 10Question 8 of 10 8. 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 E-R diagram Cardinality Question 8 of 10Question 9 of 10 9. If data is not updated in a file in file based data management systems, what type of problem will it cause? Data overflow Data redundancy Data inconsistency Invalid data Question 9 of 10Question 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... Test By Subject Punjab Test By Topics 11th Class Computer You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.