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Handling | Duplicates | Question 5
SELECT COUNT(DISTINCT Roll_no) FROM sql, this statement returns which of the following
(A)
lists the number of different (distinct) names
(B)
lists the number of different (distinct) Roll numbers
(C)
deletes the number of different (distinct) customer countries
(D)
Deletes the number of different (distinct) entries in sql
Answer
Please comment below if you find anything wrong in the above post
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