Test Your Knowledge On Data Types, Fields, and Values

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Kaplan University *

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IN224

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Computer Science

Date

Dec 6, 2023

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docx

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1

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Test Your Knowledge On Data Types, Fields, and Values 1. Fill in the blank: Internet search engines are an everyday example of how Boolean operators are used. The Boolean operator ____ expands the number of results when used in a keyword search. • OR (Correct) • AND • WITH • NOT 2. Which of the following statements accurately describes a key difference between wide and long data? • Wide data subjects can have data in multiple columns. Long data subjects can have multiple rows that hold the values of subject attributes. (Correct) • Wide data subjects can have multiple rows that hold the values of subject attributes. Long data subjects can have data in multiple columns. • Every wide data subject has multiple columns. Every long data subject has data in a single column. • Every wide data subject has a single column that holds the values of subject attributes. Every long data subject has multiple columns. 3. What does data transformation enable data analysts to accomplish? • Inspect the data for accuracy • Change the structure of the data (Correct) • Restore the data after it has been lost • Retrieve the data faster
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