Computer Science · Database Management System
What will be the output of the following SQL query if the table 'dept' has duplicate department names? SELECT DISTINCT dept_name FROM dept ORDER BY dept_name DESC NULLS FIRST;
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1All department names with duplicates removed, but order is random
- 2All unique department names sorted in descending order, with NULL values appearing first✓
- 3Same result as using GROUP BY dept_name without any specific order
- 4All department names sorted in ascending order, with NULL values at the bottom
Correct answer
All unique department names sorted in descending order, with NULL values appearing first
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