Data Warehousing
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Questions and Answers

What is the purpose of a data warehouse?

  • To perform ad hoc queries
  • To assist in decision-making
  • To transform data into information
  • To combine data from various sources (correct)

    • What is the main difference between a data warehouse and a database?

  • Databases store data in a structured manner
  • Databases are used for transactional processing
  • Data warehousing is used for analytical reporting
  • Data warehouses are created by combining data (correct)

    • What is the process of arranging and storing data in a data warehouse called?

  • Data cleaning
  • Data warehousing (correct)
  • Data integration
  • Data mining

    • Which of the following is commonly used in data warehouses to assist management inquiries?

    <p>Online Analytical Processing (OLAP)</p> Signup and view all the answers

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