Managing Digital Firm: Databases & Information Management Quiz
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Questions and Answers

What do we call a group of related files?

  • Record
  • Field
  • Database (correct)
  • Entity

    • Which term refers to each characteristic or quality describing an entity?

  • Record
  • Database
  • Field
  • Attribute (correct)

    • What is the key field used to uniquely identify each record in a relational database?

  • Table
  • Primary key (correct)
  • Foreign key
  • Field

    • Which operation creates a subset of data comprising all records that meet stated criteria?

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

    Which term refers to the process of creating a subset of columns in a table, forming tables with only the specified information?

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

    What is the purpose of referential integrity in RDBMS?

    <p>To ensure that relationships between tables remain consistent</p> Signup and view all the answers

    What is the main feature of non-relational databases like "No SQL"?

    <p>More flexible data model</p> Signup and view all the answers

    What are the main characteristics of big data?

    <p>Petabytes, exabytes of data</p> Signup and view all the answers

    What is the foundation of Bitcoin and other crypto currencies?

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

    What is the appeal of databases in the cloud to start-ups and smaller businesses?

    <p>Easier to scale</p> Signup and view all the answers

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