IM101 Database Systems: Week 2 Review
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Questions and Answers

What are the five major parts of a Database System environment?

  • Hardware, software, people, procedures, and data (correct)
  • Hardware, software, networking, procedures, data models
  • Data models, hardware, software, procedures, people
  • Data structures, software, database management, people, procedures
  • What is an 'Entity' in the context of data models?

  • A person, place, thing, or event about which data will be collected and stored (correct)
  • A type of database management system
  • A way to describe data types
  • A characteristic of an entity
  • Which type of relationship states that one entity instance is associated with many instances of the related entity?

  • Zero-to-One Relationship
  • Many-to-Many Relationship
  • One-to-Many Relationship (correct)
  • One-to-One Relationship
  • What do Representational or Logical Data Models provide?

    <p>Concepts that are close to the way many users perceive data</p> Signup and view all the answers

    What do properly written business rules define or constrain within an organization?

    <p>Entities, attributes, relationships, and constraints</p> Signup and view all the answers

    What are the four stages of processing in an information system?

    <p>Input, Transaction, Data Processing, Output</p> Signup and view all the answers

    Which term is used to describe data that describes the properties and context of user data?

    <p>Metadata</p> Signup and view all the answers

    What are some examples of unstructured data as mentioned in the text?

    <p>Images and videos</p> Signup and view all the answers

    Which component is NOT typically considered a part of an information system?

    <p>Data Models</p> Signup and view all the answers

    What is the purpose of Metadata in the context of user data?

    <p>Describe properties and context of user data</p> Signup and view all the answers

    What type of Information System component are 'People' and 'Procedures' classified as?

    <p>Human components</p> Signup and view all the answers

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