Microsoft Exam DP-300 Topic 5 Question 114 Discussion

Actual exam question for Microsoft's DP-300 exam

Question #: 114
Topic #: 5

[All DP-300 Questions]

You have an Azure SQL database named sqldb1.

You need to minimize the possibility of Query Store transitioning to a read-only state.

What should you do?

AHalve the value of Data Flush Interval.

BDouble the value of Statistics Collection Interval.

CHalve the value of Statistics Collection Interval.

DDouble the value of Data Flush Interval.

Show Suggested Answer

Suggested Answer: B

The Max Size (MB) limit isn't strictly enforced. Storage size is checked only when Query Store writes data to

disk. This interval is set by the Data Flush Interval (Minutes) option. If Query Store has breached the maximum

size limit between storage size checks, it transitions to read-only mode.

Incorrect Answers:

C: Statistics Collection Interval: Defines the level of granularity for the collected runtime statistic, expressed in

minutes. The default is 60 minutes. Consider using a lower value if you require finer granularity or less time to

detect and mitigate issues. Keep in mind that the value directly affects the size of Query Store data.

https://docs.microsoft.com/en-us/sql/relational-databases/performance/best-practice-with-the-query-store

by Hailey at Apr 30, 2025, 08:54 AM

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Lisha

6 days ago

I think Hana has a point, reducing the Statistics Collection Interval could also be effective in minimizing the possibility of Query Store becoming read-only.

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Marnie

15 days ago

Hmm, I'm not so sure. I think C might be the way to go - halving the value of Statistics Collection Interval could be a better approach.

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Norah

15 days ago

But wouldn't doubling the value of Data Flush Interval help prevent Query Store from transitioning to a read-only state?

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Nelida

1 months ago

I think the answer is B. Doubling the value of Statistics Collection Interval will minimize the possibility of Query Store transitioning to a read-only state.

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