CompTIA Data+ (DA0-001) — Question 48

Which of the following is a characteristic of a relational database?

Answer options

• A. It utilizes key-value pairs.
• B. It has undefined fields.
• C. It is structured in nature.
• D. It uses minimal memory.

Correct answer: C

Explanation

The correct answer is C, as relational databases are designed with a structured format, using tables and predefined schemas. Option A is incorrect because key-value pairs are characteristic of NoSQL databases, while B is wrong as relational databases have defined fields. Option D is not accurate since relational databases can require significant memory depending on the data size and complexity.