Which SQL keyword is used to eliminate duplicate rows from a query result?
Options
- A. UNIQUE
- B. DISTINCT
- C. DIFFERENT
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
B. DISTINCT
Detailed Explanation
- DISTINCT: Removes duplicate rows from the query result.
- It can be applied to one or more selected columns.
- Example: SELECT DISTINCT department_id FROM employees;