DP-300 Practice Question: Monitor, configure, and optimize database resources
You deploy a new Azure SQL Database and need to ensure that all queries are logged for performance analysis. Which configuration should you enable?
⚠ Common exam trap
It's easy for candidates to confuse server-level audit or diagnostic settings with query-level logging, but Query Store is the only feature that natively logs query execution plans and runtime statistics for performance 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 Store
Query Store captures a history of query execution plans, runtime statistics, and wait statistics, enabling detailed performance analysis and troubleshooting. It is the correct choice because it is specifically designed to log query-level performance data for Azure SQL Database without requiring external storage or additional configuration.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Data classification
Why it's wrong here
Data classification labels sensitive columns.
- ✗
Server-level audit
Why it's wrong here
Audit logs actions but not query text.
- ✗
Diagnostic settings for SQLInsights
Why it's wrong here
Diagnostic settings send metric data, not query text.
- ✓
Query Store
Why this is correct
Query Store captures query runtime statistics and plans.
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.
Key term
Query Store
Query Store is a built-in SQL Server feature that captures and stores a history of query execution plans and performance data for easy monitoring and troubleshooting.
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