FC0-U71 Data and Database Fundamentals Practice Question
Which TWO of the following are key characteristics of a NoSQL database compared to a traditional relational 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
✓
Flexible schema design
NoSQL databases often use flexible schemas (allowing varied data structures) and can scale horizontally across many servers.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Strict schema enforcement
Why it's wrong here
NoSQL databases typically have flexible schemas.
- ✗
Uses SQL as the query language
Why it's wrong here
NoSQL databases use various query languages, not necessarily SQL.
- ✗
ACID transactions are always guaranteed
Why it's wrong here
Many NoSQL databases sacrifice ACID for performance and scalability.
- ✓
Flexible schema design
Why this is correct
NoSQL databases allow varied data structures within the same collection.
- ✓
Horizontal scalability
Why this is correct
NoSQL databases are designed to scale out across many servers.
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