DA0-002 Data Acquisition and Preparation Practice Question
In a sales database, an analyst needs to retrieve all orders where the order amount is between $100 and $500. Which WHERE clause should be used?
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
✓
WHERE amount BETWEEN 100 AND 500
The BETWEEN operator is inclusive and is the standard way to filter a range of values.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
WHERE amount IN (100, 500)
Why it's wrong here
IN checks for exact matches, not a range.
- ✗
WHERE amount >= 100 AND amount <= 500
Why it's wrong here
This is also correct but not the best answer; BETWEEN is more concise.
- ✓
WHERE amount BETWEEN 100 AND 500
Why this is correct
BETWEEN filters values within the inclusive range.
- ✗
WHERE amount > 100 AND amount < 500
Why it's wrong here
This excludes 100 and 500, not matching the requirement.
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Written by Johnson Ajibi, MSc IT Security
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