FC0-U71 Data and Database Fundamentals Practice Question
Which of the following best describes a NoSQL database?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It provides a flexible schema for unstructured data.
NoSQL databases are designed for flexible schema and can handle unstructured data, often used for big data and real-time web applications.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It stores data in tables with rows and columns.
Why it's wrong here
That describes relational databases.
- ✓
It provides a flexible schema for unstructured data.
Why this is correct
Correct. NoSQL databases allow dynamic schemas.
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It uses SQL for querying.
Why it's wrong here
NoSQL databases typically use their own query languages.
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It enforces strict referential integrity.
Why it's wrong here
NoSQL databases often relax such constraints.
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