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Data Warehouse Design Quiz
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Data Warehouse Design Quiz

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@PoeticCoral

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Questions and Answers

What is the purpose of the logical design phase?

  • To convert logical design into physical design
  • To arrange the data into a series
  • To define a model for the data warehouse (correct)
  • To select entities, attributes, and relationships in a model
  • What is the primary unique identifier converted to during the physical design phase?

  • Foreign key constraints
  • Columns
  • Primary key constraints (correct)
  • Tables
  • What does the physical design phase deal with?

  • Selecting entities, attributes, and relationships in a model
  • Defining a model for the data warehouse
  • Storing and retrieving data effectively (correct)
  • Arranging the data into a series
  • What is used to distinguish between one instance of an entity and another?

    <p>Unique identifier (UID)</p> Signup and view all the answers

    What does the logical design phase involve checking?

    <p>The logical relationships of different objects</p> Signup and view all the answers

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