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Exam (elaborations)

WGU C175 - Data Management Foundations. Questions and Accurate answers. Graded A+ 2024

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What is a broad definition of data? - -*Raw facts* that are captured on printed or digital media What are data? - -Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? - -It does not follow a data model. Which item represents unstructured data? - -Training Video Content Which is true about flat files? - -They contain no internal hierarchical organization. Which technology has no internal hierarchy? - -Flat files How were data retrieved before database management systems? - -Sequentially from simple files What is the *uniquely identifiable element* about which data can be categorized in an entityrelationship diagram? - -Entity types Which classification is correct for the box marked "Quantity" in the given entity-relationship diagram? - -Intersection data

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October 21, 2023
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Questions & answers

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