FC0-U71 Data and Database Fundamentals Practice Question
Which TWO of the following are characteristics of a relational database? (Select TWO.)
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
✓
Data is stored in tables with rows and columns.
Relational databases store data in tables and enforce relationships through keys.
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 does not support SQL queries.
Why it's wrong here
Relational databases primarily use SQL.
- ✓
Data is stored in tables with rows and columns.
Why this is correct
Correct. This is a fundamental characteristic.
- ✗
It is optimized for storing unstructured data like videos.
Why it's wrong here
Relational databases are best for structured data.
- ✗
It uses a flexible schema that can change dynamically.
Why it's wrong here
That describes NoSQL databases.
- ✓
Relationships between tables are defined using keys.
Why this is correct
Correct. Foreign keys define relationships.
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1 more way this is tested on FC0-U71
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Variation 1. Which TWO of the following are examples of popular relational database management systems (RDBMS)? (Select TWO.)
medium- A.Cassandra
- ✓ B.MySQL
- C.MongoDB
- ✓ D.PostgreSQL
- E.Redis
Why B: MySQL and PostgreSQL are both widely used relational databases.
JA
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