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8.8.4: Practice Exercises

  • Page ID
    118362
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    Practice Exercises

    1 .
    Draw a flow diagram that explains how information architects, database designers, data owners, data stewards, database administrators, and data scientists coordinate their activities.
    2 .
    Research how bad data can result in bad information and why sources impact the quality of the data.
    3 .
    Draw a diagram of a DBMS architecture that could be used to run a medium-scale website.
    4 .
    Research and provide a few examples of pros and cons of SQL databases compared to NoSQL databases.
    5 .
    Which statement is correct?
    • The Boyce-Codd normal form is more strict than the fourth normal form.
    • The Boyce-Codd normal form is more strict than the third normal form.
    • The second normal form is more strict than the Boyce-Codd normal form.
    • The first normal form is more strict than the Boyce-Codd normal form.
    6 .
    Give practical examples of applications where it would be best to use the following: key-value store, document store, column-oriented database, graph-based database
    7 .
    Use a simple example to explain the difference between hindsight, foresight, and insight. What type of technology can be used to derive each one of these?
    8 .
    Which Amazon tool would you use to turn text into speech? What are the other tools listed used for?
    • Amazon Lex
    • Amazon Echo
    • Amazon Polly
    • Amazon Rekognition
    9 .
    State a major constituent of informatics.

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