Secure, monitor, and optimize data storage and data processing →mediumMultiple ChoiceObjective-mapped
DP-203 Practice Question: Secure, monitor, and optimize data storage and data processing
You are monitoring an Azure Synapse Analytics dedicated SQL pool using dynamic management views (DMVs). You want to identify queries that are experiencing excessive memory grants causing concurrency issues. Which DMV 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_exec_requests
(sys.dm_pdw_exec_requests) is correct because it contains the total_request_memory_granted column, which can be used to identify queries with excessive memory grants contributing to concurrency issues. Option A (sys.dm_pdw_waits) only shows wait types, not memory grants. Option C (sys.dm_pdw_resource_waits) shows resource wait statistics but not actual grant amounts. Option D (sys.dm_pdw_workload_management_workload_groups_details) provides workload group configuration and metrics, not per-query memory grant details.
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_waits
Why it's wrong here
sys.dm_pdw_waits displays wait details but does not show memory grant values.
- ✓
sys.dm_pdw_exec_requests
Why this is correct
Correct. sys.dm_pdw_exec_requests includes columns for memory grants, allowing identification of memory-heavy queries.
- ✗
sys.dm_pdw_resource_waits
Why it's wrong here
sys.dm_pdw_resource_waits shows resource class membership, not actual memory grants per query.
- ✗
sys.dm_pdw_workload_management_workload_groups_details
Why it's wrong here
sys.dm_pdw_workload_management_workload_groups_details shows workload group settings, not the memory grants of individual queries.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DP-203 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DP-203 exam.