DA0-002 Data Acquisition and Preparation Practice Question
In SQL, which string function would you use to remove leading and trailing spaces from a column named 'city'?
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
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TRIM
TRIM removes leading and trailing spaces (or other specified characters) from a string. TRIM(city) returns the city without extra spaces.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
TRIM
Why this is correct
Correct. TRIM removes both leading and trailing spaces.
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RTRIM
Why it's wrong here
RTRIM removes only trailing spaces.
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LTRIM
Why it's wrong here
LTRIM removes only leading spaces.
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CLEAN
Why it's wrong here
CLEAN is not a standard SQL function.
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Written by Johnson Ajibi, MSc IT Security
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This DA0-002 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 DA0-002 exam.