Introduction to Data Warehousing & Business Intelligence
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Questions and Answers

What is the primary purpose of a data warehouse?

  • To archive outdated data
  • To refresh and populate operational databases
  • To provide historical data for making better business decisions (correct)
  • To collect, store, and process operational data

    • What is the main goal of Business Intelligence (BI)?

  • To increase the volume of internal and external data
  • To provide real-time monitoring of business activities
  • To enable data-based decisions for gaining competitive advantage and improving operative performance (correct)
  • To develop advanced statistical analysis tools

    • What is the main source for Business Intelligence (BI)?

  • Departmental sites
  • Operational databases
  • Data warehouse with historical and current data (correct)
  • Archived records

    • Which component in the BI framework allows real-time monitoring of business activities?

    <p>Data monitoring and alerting (C)</p> Signup and view all the answers

    What is the primary function of OLAP (Online Analytical Processing) tools in BI?

    <p>To provide multidimensional data analysis (B)</p> Signup and view all the answers

    When did business leaders begin to realize the value of historical data?

    <p>1980s (B)</p> Signup and view all the answers

    What is the term used to refer to 'concepts and methods to improve business decision making by using fact-based support systems'?

    <p>Business Intelligence (BI) (A)</p> Signup and view all the answers

    Which BI component is responsible for advising the user on building a reliable business data model?

    <p>Data analytics (C)</p> Signup and view all the answers

    What does a Business Intelligence (BI) system help decision makers to achieve?

    <p>Comprehensive knowledge of the business (D)</p> Signup and view all the answers

    What is the role of ETL (Data extraction, transformation, and loading) tools in the BI framework?

    <p>To collect, filter, integrate, and aggregate internal and external data (A)</p> Signup and view all the answers

    In the BI framework, which component is responsible for presenting data to the end user in a variety of meaningful and innovative ways?

    <p>Data visualization (D)</p> Signup and view all the answers

    What is the primary function of OLAP (Online Analytical Processing) tools in the BI framework?

    <p>Multidimensional data analysis (B)</p> Signup and view all the answers

    Which tool in the BI framework provides advanced visual analysis and techniques?

    <p>MS Analytics Services (C)</p> Signup and view all the answers

    What is the foundational component of a BI infrastructure that captures data from the production system?

    <p>Data warehouses (DW) (C)</p> Signup and view all the answers

    Which BI component allows real-time monitoring of business activities and placing alerts on given metrics?

    <p>Data monitoring and alerting (B)</p> Signup and view all the answers

    What was the primary factor that led to the realization of the value of historical data by business leaders in the 1980s?

    <p>The combination of historical data with current data for better decision making (D)</p> Signup and view all the answers

    What is the main function of a data warehouse in a business intelligence framework?

    <p>Storing and managing enterprise-wide historical data (A)</p> Signup and view all the answers

    What is the primary role of Business Intelligence (BI) systems for decision makers?

    <p>Defining and supporting business strategies (D)</p> Signup and view all the answers

    What is the source of data often collected in a data warehouse?

    <p>Current data from various enterprise departments or sites (D)</p> Signup and view all the answers

    What is the significance of ETL (Data extraction, transformation, and loading) tools in the BI framework?

    <p>Enabling the collection and transformation of data into the data warehouse (C)</p> Signup and view all the answers

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