Free Test Database Models (Hiera... – Databas...

Q1: Which database model organizes data in a tree-like structure?

A. Hierarchical model B. Network model C. Relational model D. Object-oriented model

Q2: Which model allows many-to-many relationships?

A. Network model B. Hierarchical model C. Relational model D. Object-oriented model

Q3: In which model is data represented as tables?

A. Relational model B. Hierarchical model C. Network model D. Object-oriented model

Q4: Which database model integrates database capabilities with object programming language?

A. Object-oriented model B. Relational model C. Network model D. Hierarchical model

Q5: Which of the following is a disadvantage of hierarchical model?

A. Rigid parent-child relationship B. Supports complex queries C. Easy to understand D. Flexible schema

Q6: Which model uses sets to represent one-to-many relationships?

A. Network model B. Relational model C. Hierarchical model D. Object-oriented model

Q7: What is the key feature of the relational model?

A. Use of tables with rows and columns B. Tree structure C. Object identity D. Graph structure

Q8: In object-oriented databases, data is stored as?

A. Objects B. Tables C. Trees D. Sets

Q9: Which model allows inheritance, encapsulation, and polymorphism?

A. Object-oriented model B. Relational model C. Network model D. Hierarchical model

Q10: Which database model is most widely used today?

A. Relational model B. Hierarchical model C. Network model D. Object-oriented model

Q11: Which model represents data as graphs?

A. Network model B. Hierarchical model C. Relational model D. Object-oriented model

Q12: Which model has a strict one-to-many relationship?

A. Hierarchical model B. Network model C. Relational model D. Object-oriented model

Q13: Which model allows complex data types like images and audio?

A. Object-oriented model B. Relational model C. Network model D. Hierarchical model

Q14: Which model represents relationships using pointers?

A. Network model B. Relational model C. Hierarchical model D. Object-oriented model

Q15: Which model is best suited for applications requiring complex data relationships?

A. Network model B. Hierarchical model C. Relational model D. Object-oriented model

Q16: In which model is the concept of “set” used?

A. Network model B. Relational model C. Hierarchical model D. Object-oriented model

Q17: Which model uses tables linked by keys?

A. Relational model B. Network model C. Hierarchical model D. Object-oriented model

Q18: Which model is inflexible due to its hierarchical structure?

A. Hierarchical model B. Network model C. Relational model D. Object-oriented model

Q19: Which model was designed to overcome limitations of hierarchical model?

A. Network model B. Relational model C. Object-oriented model D. None of the above

Q20: Which model supports encapsulation?

A. Object-oriented model B. Relational model C. Network model D. Hierarchical model

Quiz for Database Models (Hierarchical, Network, Relational, Object-oriented)

Q1: Which database model organizes data in a tree-like structure?

Q2: Which model allows many-to-many relationships?

Q3: In which model is data represented as tables?

Q4: Which database model integrates database capabilities with object programming language?

Q5: Which of the following is a disadvantage of hierarchical model?

Q6: Which model uses sets to represent one-to-many relationships?

Q7: What is the key feature of the relational model?

Q8: In object-oriented databases, data is stored as?

Q9: Which model allows inheritance, encapsulation, and polymorphism?

Q10: Which database model is most widely used today?

Q11: Which model represents data as graphs?

Q12: Which model has a strict one-to-many relationship?

Q13: Which model allows complex data types like images and audio?

Q14: Which model represents relationships using pointers?

Q15: Which model is best suited for applications requiring complex data relationships?

Q16: In which model is the concept of “set” used?

Q17: Which model uses tables linked by keys?

Q18: Which model is inflexible due to its hierarchical structure?

Q19: Which model was designed to overcome limitations of hierarchical model?

Q20: Which model supports encapsulation?