Podcast
Questions and Answers
What does ER model stand for?
What does ER model stand for?
- Entity-Relationship model (correct)
- Entity-Record model
- Entity-Record management
- Element-Relationship model
How is an entity represented in an ER diagram?
How is an entity represented in an ER diagram?
- As rectangles (correct)
- As squares
- As circles
- As triangles
What is a weak entity in ER modeling?
What is a weak entity in ER modeling?
- An entity with no attributes
- An entity that depends on another entity (correct)
- An entity with no relationships
- An entity with only numeric attributes
How is the database structure portrayed in ER modeling?
How is the database structure portrayed in ER modeling?
What is the purpose of an ER model?
What is the purpose of an ER model?