DS0-001 Data Systems Management Practice Question
Which database object is specifically designed to enforce referential integrity between two tables?
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
✓
Foreign Key
A Foreign Key constraint is designed to ensure that data in one table matches valid entries in another table, maintaining referential integrity.
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 are for performance, not data integrity.
- ✗
Primary Key
Why it's wrong here
This ensures uniqueness and identity, not referential integrity between tables.
- ✗
Unique Constraint
Why it's wrong here
This ensures uniqueness of column values, not table-to-table relationships.
- ✓
Foreign Key
Why this is correct
Foreign keys maintain the relationship and referential integrity between tables.
About these practice questions
This DS0-001 question is part of Courseiva's 216-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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.