DA0-002 Data Acquisition and Preparation Practice Question
A data analyst wants to retrieve the top 5 highest-paid employees from the 'employees' table. Which SQL clauses could be used to achieve this? (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
✓
ORDER BY salary DESC
ORDER BY salary DESC sorts descending, and LIMIT/TOP/FETCH restricts rows.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
ORDER BY salary DESC
Why this is correct
Sorts highest to lowest.
- ✗
HAVING salary
Why it's wrong here
HAVING filters groups, not rows.
- ✗
ORDER BY salary ASC
Why it's wrong here
ASC would give lowest salaries.
- ✓
LIMIT 5
Why this is correct
Limits result to 5 rows (in MySQL, PostgreSQL).
- ✗
GROUP BY salary
Why it's wrong here
Groups rows, does not limit.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DA0-002 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DA0-002 exam.