FC0-U71 Data and Database Fundamentals Practice Question
Which of the following best describes normalization in a 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
✓
Removing duplicate data from a table
Normalization is the process of organizing data to reduce redundancy and improve data integrity.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Encrypting sensitive data in the database
Why it's wrong here
Encryption is security, not normalization.
- ✓
Removing duplicate data from a table
Why this is correct
Correct; normalization reduces data redundancy.
- ✗
Increasing the number of tables to improve performance
Why it's wrong here
Normalization may increase tables but the goal is redundancy reduction, not performance.
- ✗
Combining all data into a single table
Why it's wrong here
That would increase redundancy, opposite of normalization.
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