DS0-001 Data Querying And Analysis Practice Question
When troubleshooting a performance bottleneck in a visualization, which action is most effective if the data source is a large SQL view?
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
✓
Materializing the view
Materializing the view (creating a physical table with indexes) or optimizing the view's underlying query is the most effective way to resolve performance issues.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Changing the chart color
Why it's wrong here
Visual aesthetics do not impact backend performance.
- ✓
Materializing the view
Why this is correct
Materialization pre-calculates the results and allows for indexing.
- ✗
Increasing the number of filters
Why it's wrong here
This may actually increase query processing load.
- ✗
Using a different visualization software
Why it's wrong here
The bottleneck is usually in the data source, not the tool.
Visual reference
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CompTIA exam blueprint
This DS0-001 practice question is part of Courseiva's free CompTIA 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 DS0-001 exam.