DS0-001 Database Structures And SQL Practice Question
An application requires an automatic timestamp for every row inserted into an 'Audit' table. Which feature should the developer implement?
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
✓
Trigger
A trigger is a database object that automatically executes code when a specific event (like INSERT) occurs on a table.
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 it's wrong here
Indexes do not perform logic or data modification.
- ✗
Constraint
Why it's wrong here
Constraints validate data but do not modify it automatically.
- ✓
Trigger
Why this is correct
A trigger can automatically inject a timestamp during an INSERT.
- ✗
View
Why it's wrong here
A view does not perform automatic actions during insertion.
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.