Podcast
Questions and Answers
What is the primary purpose of data modeling in database design?
What is the primary purpose of data modeling in database design?
- To design the database schema
- To create a complex representation of real-world data structures
- To serve as a bridge between real-world objects and the computer database (correct)
- To implement the database system
What is a characteristic of the data modeling process?
What is a characteristic of the data modeling process?
- It is an iterative, progressive process (correct)
- It is a non-iterative process
- It is a reverse engineering process
- It is a one-time activity
What is an entity in the context of data modeling?
What is an entity in the context of data modeling?
- A graphical representation of a database component
- Anything about which data will be collected and stored (correct)
- A constraint on a database table
- A relationship between two objects
What is the primary tool used to represent data models?
What is the primary tool used to represent data models?
What is the purpose of a data model?
What is the purpose of a data model?
What are the basic building blocks of all data models?
What are the basic building blocks of all data models?
What is an entity instance in data modeling?
What is an entity instance in data modeling?
What type of relationship exists between a painter and their paintings?
What type of relationship exists between a painter and their paintings?
What is the primary purpose of constraints in data modeling?
What is the primary purpose of constraints in data modeling?
What is a business rule in data modeling?
What is a business rule in data modeling?
How do you properly identify entities, attributes, relationships, and constraints in data modeling?
How do you properly identify entities, attributes, relationships, and constraints in data modeling?
What is an example of a one-to-one relationship in data modeling?
What is an example of a one-to-one relationship in data modeling?
What is the relationship between a customer and an agent according to the given example?
What is the relationship between a customer and an agent according to the given example?
What is the primary source of business rules according to the text?
What is the primary source of business rules according to the text?
How do verbs translate into data model components?
How do verbs translate into data model components?
What is the purpose of asking two questions when identifying the type of relationship?
What is the purpose of asking two questions when identifying the type of relationship?
What is the naming convention for attributes in a data model?
What is the naming convention for attributes in a data model?
What is the purpose of translating business rules into data model components?
What is the purpose of translating business rules into data model components?
