DP-300 Configure and manage automation of tasks Practice Question
A company uses Azure SQL Database and wants to automatically send an email notification when an index fragmentation exceeds 30% for any database. Which solution should they implement?
⚠ Common exam trap
DP-300 often tests whether candidates know that SQL Agent is unavailable in Azure SQL Database (but available in Managed Instance) — the trap is picking the SQL Agent job option because it is the familiar on-premises pattern.
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
✓
Use Azure Automation runbook to query sys.dm_db_index_physical_stats and send email
Azure SQL Database does not expose SQL Server Agent, and index fragmentation is not a native Azure Monitor metric, so the correct approach is an Azure Automation runbook that connects to the database, queries sys.dm_db_index_physical_stats, evaluates fragmentation, and sends email via SendGrid, Office 365, or SMTP. This is the standard pattern for custom T-SQL-based monitoring and alerting in Azure SQL Database.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Create an Azure Monitor alert based on fragmentation
Why it's wrong here
Azure Monitor cannot query sys.dm_db_index_physical_stats, so index fragmentation is not a metric it can alert on. It is tempting because Azure Monitor alerts are the standard notification mechanism for Azure resources, and would be correct for platform metrics such as DTU consumption or storage percentage.
- ✗
Use Elastic Database Jobs to check fragmentation and send email
Why it's wrong here
Elastic Database Jobs can run T-SQL across databases, but they cannot send email notifications; no mail subsystem exists in Azure SQL Database. It is tempting because elastic jobs are the correct tool for scheduled cross-database T-SQL, such as rebuilding fragmented indexes, but notification requires an external mechanism.
- ✗
Configure SQL Agent job to send email
Why it's wrong here
Azure SQL Database does not expose an on-premises SQL Agent, so no job can be scheduled to run the fragmentation query and send mail. It is tempting because SQL Agent jobs are the familiar on-premises mechanism for scheduled index maintenance and alerting, and would be correct for a SQL Server instance hosted on a VM or Managed Instance.
- ✓
Use Azure Automation runbook to query sys.dm_db_index_physical_stats and send email
Why this is correct
An Azure Automation runbook can query sys.dm_db_index_physical_stats on a schedule, evaluate fragmentation against the 30% threshold, and dispatch email via Office 365 or SendGrid. Azure SQL Database lacks native alerting on DMV output, so automation is required.
Go deeper
Related to this question
Learn chapter
Configuring Automation Tasks for Database Administration
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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Last reviewed September 2026 · checked against the official Microsoft exam blueprint
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