🎧 New: AI-Generated Podcasts Turn your study notes into engaging audio conversations. Learn more

Characteristics of Data Warehousing
10 Questions
0 Views

Characteristics of Data Warehousing

Created by
@LavishPopArt

Podcast Beta

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What does it mean for a data warehouse to be non-volatile?

  • Data is only stored temporarily
  • Data is erased when new data is added
  • Data is constantly changing
  • Previous data is not erased when new data is added (correct)
  • In a subject-oriented data warehouse, what is the primary focus?

  • Offering information about diverse themes
  • Focusing on ongoing operations
  • Providing a comprehensive view of organizational data
  • Offering information regarding a specific theme or area of focus (correct)
  • What is the main goal of a subject-oriented data warehouse?

  • To provide information about all aspects of an organization
  • To focus on modeling and analysis of data
  • To use past data for making decisions (correct)
  • To constantly update with real-time data
  • How does an integrated data warehouse handle data from multiple sources?

    <p>It combines and stores data from multiple sources to provide a unified view</p> Signup and view all the answers

    What does it mean when a data warehouse is described as time-variant?

    <p>Data collected is identified with a particular time period</p> Signup and view all the answers

    How do subject-oriented data warehouses differ from non-subject-oriented ones?

    <p>Subject-oriented focus on specific themes, non-subject-oriented on a comprehensive view</p> Signup and view all the answers

    What aspect does an integrated data warehouse ensure consistency across?

    <p>Naming conventions, measurements, and encoding structures</p> Signup and view all the answers

    What is the primary difference between a subject-oriented and non-subject-oriented data warehouse?

    <p>Subject-oriented focus on specific themes, non-subject-oriented offer comprehensive views</p> Signup and view all the answers

    Why are integrated data warehouses crucial for organizations?

    <p>They maintain consistency across various sources of data</p> Signup and view all the answers

    In what way does a subject-oriented data warehouse differ from traditional operational systems?

    <p>Subject-oriented look back at past events, operational systems focus on real-time activities</p> Signup and view all the answers

    Use Quizgecko on...
    Browser
    Browser