Question 40 of 760
DP-203 Practice Question: Secure, monitor, and optimize data storage and data processing
Your Azure Synapse Analytics dedicated SQL pool is experiencing high resource utilization. You need to identify queries that are consuming excessive memory. Which THREE DMVs should you query?
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
✓
sys.dm_pdw_sql_requests
To identify queries consuming excessive memory in Azure Synapse Dedicated SQL pool, you can query sys.dm_pdw_exec_requests to view all requests, sys.dm_pdw_request_steps to view the steps of requests, and sys.dm_pdw_sql_requests to view the distributed SQL requests. Option B (sys.dm_pdw_nodes_resource_usage) shows node-level resource usage, and Option E (sys.dm_pdw_waits) shows waiting queries, but neither directly identifies memory-intensive queries.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
sys.dm_pdw_sql_requests
Why this is correct
Correct – sys.dm_pdw_sql_requests shows distributed SQL requests, which include memory usage details per distribution.
- ✗
sys.dm_pdw_nodes_resource_usage
Why it's wrong here
Incorrect – sys.dm_pdw_nodes_resource_usage shows node-level resource utilization (CPU, I/O) but not memory consumption per query.
- ✓
sys.dm_pdw_request_steps
Why this is correct
Correct – sys.dm_pdw_request_steps shows the steps within a request, including memory requested for each step.
- ✓
sys.dm_pdw_exec_requests
Why this is correct
Correct – sys.dm_pdw_exec_requests shows all active requests, including memory grants and other resource details.
- ✗
sys.dm_pdw_waits
Why it's wrong here
Incorrect – sys.dm_pdw_waits shows queries that are waiting for resources but does not directly show memory consumption.
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Last reviewed: Jun 21, 2026
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