Podcast
Questions and Answers
What is the primary purpose of constraints in a data model?
What is the primary purpose of constraints in a data model?
- To create a correct data model
- To develop business rules
- To understand business processes
- To ensure data integrity (correct)
What is the main goal of business rules in data modeling?
What is the main goal of business rules in data modeling?
- To develop relationship participation rules and constraints (correct)
- To standardize the company's view of data
- To create a correct data model
- To understand business processes
What is the source of business rules in an organization?
What is the source of business rules in an organization?
- A combination of company managers, policy makers, department managers, and written documentation (correct)
- Only department managers
- Only company managers
- Only policy makers
What do nouns translate into in a data model?
What do nouns translate into 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?
What is the direction of relationships in a data model?
What is the direction of relationships in a data model?
What is the primary objective of naming conventions in data modeling?
What is the primary objective of naming conventions in data modeling?
What type of statements are business rules typically written as?
What type of statements are business rules typically written as?
What do cardinalities determine in an entity?
What do cardinalities determine in an entity?
What is the relationship between business rules and data modeling?
What is the relationship between business rules and data modeling?
What is the purpose of a precisely written business rule?
What is the purpose of a precisely written business rule?
What is the result of inadequate business rules in data modeling?
What is the result of inadequate business rules in data modeling?
What is a critical factor in the success of a design?
What is a critical factor in the success of a design?
What is an example of a business rule?
What is an example of a business rule?
How many stores can an employee be employed by?
How many stores can an employee be employed by?
What is a characteristic of the relationship between a college and its departments?
What is a characteristic of the relationship between a college and its departments?
How many clients can sign a contract?
How many clients can sign a contract?
What is a characteristic of the relationship between a driver and vehicles?
What is a characteristic of the relationship between a driver and vehicles?
What is the purpose of the external model in data abstraction?
What is the purpose of the external model in data abstraction?
Which of the following is NOT a typical business unit in a company?
Which of the following is NOT a typical business unit in a company?
What is the primary focus of an application in a business unit?
What is the primary focus of an application in a business unit?
Why do end users view their data subsets as separate from other units in the organization?
Why do end users view their data subsets as separate from other units in the organization?
What is the name of the architecture that defines the three levels of data abstraction?
What is the name of the architecture that defines the three levels of data abstraction?
What type of diagrams are used to represent the external views in data modeling?
What type of diagrams are used to represent the external views in data modeling?
What is the main purpose of the conceptual model in database design?
What is the main purpose of the conceptual model in database design?
What is the ER model used for?
What is the ER model used for?
What is the internal model in database design?
What is the internal model in database design?
What is the purpose of the entity-relationship diagram (ERD)?
What is the purpose of the entity-relationship diagram (ERD)?
What is the conceptual schema also known as?
What is the conceptual schema also known as?
What is the primary purpose of the conceptual model?
What is the primary purpose of the conceptual model?