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Questions and Answers

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?

  • 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?

  • 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?

<p>Network model (A)</p> Signup and view all the answers

What is the term for a collection of records in a 1:M relationship in the network model?

<p>Owner-member set (C)</p> Signup and view all the answers

What is the primary purpose of business rules in database design?

<p>To describe policies and procedures that govern data usage within an organization. (C)</p> Signup and view all the answers

In a data model, what is the term used to describe the characteristic of an entity?

<p>Attribute (A)</p> Signup and view all the answers

Which of the following is NOT a type of relationship in a data model?

<p>Many-to-one (M:1) (B)</p> Signup and view all the answers

What is the primary benefit of using data modeling in database design?

<p>To facilitate communication among designers, programmers, and end users. (A)</p> Signup and view all the answers

What is the term used to describe the process of translating business rules into data model components?

<p>Business rule translation (D)</p> Signup and view all the answers

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