DP-300 Query Performance Insight Practice Question
You need to automate the generation of a weekly report that shows the top 10 queries by CPU consumption in an Azure SQL Database. The report should be emailed to the DBA team. Which service should you use to gather the query performance data?
⚠ Common exam trap
Candidates may confuse Query Performance Insight with Azure Monitor Metrics, but Query Performance Insight is specifically designed for query-level analysis in Azure SQL Database.
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
✓
Query Performance Insight
Query Performance Insight in Azure SQL Database provides query-level performance metrics including CPU, duration, and execution count. It can be used to identify the top 10 queries by CPU consumption and automate report generation. Option D is correct. Option A (SQL Server Profiler) is a traditional tool for capturing SQL Server events, not for automated reporting in Azure. Option B (Database Engine Tuning Advisor) focuses on index recommendations, not report generation. Option C (Azure Monitor Metrics) provides platform-level metrics but lacks query-level granularity.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
SQL Server Profiler
Why it's wrong here
SQL Server Profiler is a traditional tool for capturing SQL Server events, but it is not designed for automated weekly reporting of top CPU queries in Azure SQL Database.
- ✗
Database Engine Tuning Advisor
Why it's wrong here
Database Engine Tuning Advisor analyzes query performance and recommends indexes, but it does not provide a built-in report of top queries by CPU consumption.
- ✗
Azure Monitor Metrics
Why it's wrong here
Azure Monitor Metrics captures numerical time-series data such as DTU or CPU percentage averages, but it cannot retrieve the specific query text or rank individual queries by CPU consumption, which is required for a top-10 query report. It is tempting because it provides a quick, pre-configured view of resource utilisation trends, and would be correct for alerting on sustained high CPU usage across the database.
- ✓
Query Performance Insight
Why this is correct
Query Performance Insight provides a built-in view of query performance metrics, including top queries by CPU, duration, and execution count, making it suitable for generating automated weekly reports.
Go deeper
Related to this question
Learn chapter
Overview of Azure Data Platform Options
Key term
Azure SQL Performance Tuning
Azure SQL Performance Tuning is the process of optimizing the speed and efficiency of queries and database operations in Microsoft Azure SQL Database or SQL Managed Instance to reduce latency and improve throughput.
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