The correct query is SELECT * FROM c WHERE c.category = 'Electronics' AND c.price < 200. This works because Azure Cosmos DB SQL API query syntax uses a SQL-like structure where the FROM clause aliases each JSON document as c, and the WHERE clause filters documents by comparing property values using single quotes for strings and the AND operator to combine multiple conditions. On the DP-900 exam, this tests your understanding of how to query JSON data with the SQL API, a common scenario where you must remember that property names are case-sensitive and string values require single quotes, not double quotes. A frequent trap is confusing the FROM clause—it must be FROM c (or another alias), not FROM products—or using OR instead of AND, which would return items matching either condition rather than both. Memory tip: think of c as standing for "current document" and remember that AND narrows results while OR widens them.
DP-900 Practice Question: Describe considerations for working with non-relational data on Azure
This DP-900 practice question tests your understanding of describe considerations for working with non-relational data on azure. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Refer to the exhibit. You are storing product data in Azure Cosmos DB using the SQL API. The JSON shows a sample document. You need to query for all products in the 'Electronics' category with a price less than 200. Which query should you use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
SELECT * FROM c WHERE c.category = 'Electronics' AND c.price < 200
Option A is correct because the SQL API uses SELECT * FROM c WHERE c.category = 'Electronics' AND c.price < 200. Option B is wrong because using double quotes is invalid. Option C is wrong because the FROM clause is incorrect. Option D is wrong because the WHERE clause uses OR instead of AND.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
SELECT * FROM c WHERE c.category = 'Electronics' OR c.price < 200
Why it's wrong here
OR returns products not in Electronics with price < 200.
✗
SELECT * FROM c WHERE c.category = "Electronics" AND c.price < 200
Why it's wrong here
Cosmos DB SQL API uses single quotes for strings.
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SELECT * FROM p WHERE p.category = 'Electronics' AND p.price < 200
Why it's wrong here
The FROM clause must use 'c' or any alias, but 'p' is not defined.
✓
SELECT * FROM c WHERE c.category = 'Electronics' AND c.price < 200
Why this is correct
This is the correct SQL API syntax.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-900 question in full detail.
Identify which DP-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Describe considerations for working with non-relational data on Azure — This question tests Describe considerations for working with non-relational data on Azure — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: SELECT * FROM c WHERE c.category = 'Electronics' AND c.price < 200 — Option A is correct because the SQL API uses SELECT * FROM c WHERE c.category = 'Electronics' AND c.price < 200. Option B is wrong because using double quotes is invalid. Option C is wrong because the FROM clause is incorrect. Option D is wrong because the WHERE clause uses OR instead of AND.
What should I do if I get this DP-900 question wrong?
Identify which DP-900 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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