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Questions and Answers
What is the main purpose of naming conventions in database systems?
What is the main purpose of naming conventions in database systems?
- To simplify the process of data modeling
- To reduce the complexity of data models
- To facilitate communication between parties and promote self-documentation (correct)
- To improve the performance of database queries
What is the basic logical structure of the hierarchical model?
What is the basic logical structure of the hierarchical model?
- A network-like structure with multiple nodes
- A tree-like structure with multiple levels (correct)
- A graph-like structure with multiple edges
- A flat structure with a single level
What is the main advantage of the network model over the hierarchical model?
What is the main advantage of the network model over the hierarchical model?
- Better support for complex data relationships (correct)
- Enhanced data security
- Faster query performance
- Improved data consistency
What is the name of the database standard that allows a record to have more than one parent?
What is the name of the database standard that allows a record to have more than one parent?
What is the term for a collection of records in a 1:M relationship in the network model?
What is the term for a collection of records in a 1:M relationship in the network model?
What is the primary purpose of business rules in database design?
What is the primary purpose of business rules in database design?
In a data model, what is the term used to describe the characteristic of an entity?
In a data model, what is the term used to describe the characteristic of an entity?
Which of the following is NOT a type of relationship in a data model?
Which of the following is NOT a type of relationship in a data model?
What is the primary benefit of using data modeling in database design?
What is the primary benefit of using data modeling in database design?
What is the term used to describe the process of translating business rules into data model components?
What is the term used to describe the process of translating business rules into data model components?
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