The answer is to change the storage mode of the table to DirectQuery. This is correct because DirectQuery bypasses the import process entirely, querying the SQL Server view directly at report render time rather than relying on a scheduled refresh. When users open the report, Power BI sends a query to the source database, ensuring they see the latest data from the hourly-updated view without altering the daily 2:00 AM refresh schedule. On the PL-300 exam, this scenario tests your understanding of storage modes and their impact on data freshness versus performance—a common trap is choosing incremental refresh, which still requires a scheduled operation. The key insight is that DirectQuery eliminates stale data by fetching live results on demand, while Import mode caches data at the last refresh time. Memory tip: think "DirectQuery = Direct to source, no waiting for refresh."
PL-300 Prepare the data Practice Question
This PL-300 practice question tests your understanding of prepare the data. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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 have a Power BI semantic model that imports data from a SQL Server view. The view is updated every hour, but the Power BI dataset is scheduled to refresh daily at 2:00 AM. Users report that reports show stale data. You need to ensure that the dataset reflects the latest data without changing the refresh schedule. What should you do?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Change the storage mode of the table to DirectQuery.
Option D is correct because changing the storage mode to DirectQuery allows the Power BI dataset to query the SQL Server view directly at report render time, ensuring that users always see the latest data without altering the scheduled refresh frequency. DirectQuery bypasses the import process and retrieves data on demand, so the dataset reflects real-time changes from the source view.
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.
✗
Replace the view with a physical table in SQL Server.
Why it's wrong here
The storage mode of the table in Power BI matters, not the source object type.
✗
Increase the scheduled refresh frequency to every 30 minutes.
Why it's wrong here
This changes the refresh schedule, which the requirement says not to do.
✗
Configure incremental refresh for the table.
Why it's wrong here
Incremental refresh still requires a scheduled refresh to update the data.
✓
Change the storage mode of the table to DirectQuery.
Why this is correct
DirectQuery queries the source directly, providing up-to-date data on each report interaction.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume incremental refresh (Option C) solves freshness issues, but it only optimizes data loading for large tables, not the refresh schedule, and still requires a scheduled refresh to update the dataset.
Detailed technical explanation
How to think about this question
DirectQuery mode sends T-SQL queries to the SQL Server source each time a report visual is rendered, leveraging the source's indexing and query execution plans. This approach can introduce latency if the source is under heavy load, but it guarantees data freshness without requiring a separate refresh process. In contrast, import mode stores a snapshot in the Power BI in-memory columnar engine (VertiPaq), which is fast for queries but stale until the next refresh.
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.
TExam Day Tips
→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 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
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Prepare the data — This question tests Prepare the data — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Change the storage mode of the table to DirectQuery. — Option D is correct because changing the storage mode to DirectQuery allows the Power BI dataset to query the SQL Server view directly at report render time, ensuring that users always see the latest data without altering the scheduled refresh frequency. DirectQuery bypasses the import process and retrieves data on demand, so the dataset reflects real-time changes from the source view.
What should I do if I get this PL-300 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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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