Quick Answer
The answer is to disable auto-pause for the serverless database. This is correct because the slow first query after a pause, known as a cold start, occurs when the serverless compute tier auto-pauses after inactivity, forcing the database to fully warm up its buffer pool and recompile plans upon resumption. By disabling auto-pause, you keep the database always running, eliminating the cold start delay entirely. On the Microsoft Azure Database Administrator Associate DP-300 exam, this question tests your understanding of serverless compute trade-offs: while auto-pause saves costs, it introduces latency for infrequent users. A common trap is to suggest scaling vCores or using Query Store, but neither addresses the fundamental pause-resume cycle. Remember the memory tip: “No pause, no pause lag” — if you need consistent first-query speed, disable auto-pause to keep the database warm and responsive.
This DP-300 practice question tests your understanding of monitor, configure, and optimize database resources. 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.
You manage an Azure SQL Database that uses a Serverless compute tier. You notice that during idle periods, the database auto-pauses and then auto-resumes when a connection is made. However, users report that the first query after a pause is slow. You need to improve the performance of the first query. What should you do?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Increase the maximum vCores
Why wrong: Increasing vCores does not reduce the cold start delay.
Create a SQL Agent job to ping the database every hour
Why wrong: This is a workaround but not the recommended solution.
Disable auto-pause for the serverless database
Disabling auto-pause prevents the database from pausing, avoiding cold start delays.
Enable Query Store
Why wrong: Query Store does not affect cold start performance.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Disable auto-pause for the serverless database
Option D is correct because the serverless database auto-pauses after inactivity; disabling auto-pause keeps the database warm. Option A is incorrect because scaling vCores does not affect cold start delay. Option B is incorrect because Query Store does not speed up cold start. Option C is incorrect because creating a job to ping the database is a workaround but not the recommended solution; disabling auto-pause is simpler.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Increase the maximum vCores
Why it's wrong here
Increasing vCores does not reduce the cold start delay.
Create a SQL Agent job to ping the database every hour
Why it's wrong here
This is a workaround but not the recommended solution.
Disable auto-pause for the serverless database
Why this is correct
Disabling auto-pause prevents the database from pausing, avoiding cold start delays.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Enable Query Store
Why it's wrong here
Query Store does not affect cold start performance.
Common exam traps
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Identify which DP-300 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.
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FAQ
Monitor, configure, and optimize database resources — This question tests Monitor, configure, and optimize database resources — Read the scenario before looking for a memorised answer..
The correct answer is: Disable auto-pause for the serverless database — Option D is correct because the serverless database auto-pauses after inactivity; disabling auto-pause keeps the database warm. Option A is incorrect because scaling vCores does not affect cold start delay. Option B is incorrect because Query Store does not speed up cold start. Option C is incorrect because creating a job to ping the database is a workaround but not the recommended solution; disabling auto-pause is simpler.
Identify which DP-300 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.
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 21, 2026
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