DS0-001 Database Structures And SQL Practice Question
When migrating data between two different relational databases, which DDL-related issue is most likely to cause failure if ignored?
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
✓
Incompatible data types
Data types can vary significantly between RDBMS vendors, leading to truncation or conversion errors if not mapped correctly during migration.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Table naming conventions
Why it's wrong here
Naming is usually trivial to address.
- ✓
Incompatible data types
Why this is correct
Data type mismatch is a critical technical failure point.
- ✗
Storage engine choice
Why it's wrong here
While important, it does not typically cause migration failure.
- ✗
Primary key naming
Why it's wrong here
Primary keys can be renamed easily.
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.