DS0-001 Database Structures And SQL Practice Question
To improve read performance on a table frequently queried by a specific column, which database object should be created?
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
✓
Index
An index allows the database engine to find specific rows without scanning the entire table, significantly improving read performance.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Index
Why this is correct
An index is specifically designed to accelerate data retrieval.
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View
Why it's wrong here
A view is a virtual table and does not physically improve query performance unless indexed.
- ✗
Stored Procedure
Why it's wrong here
Stored procedures automate tasks but do not inherently speed up lookups.
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Trigger
Why it's wrong here
A trigger executes code automatically in response to DML operations.
About these practice questions
Courseiva writes every DS0-001 question from scratch — 216 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
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.