1.

If in Table account , a column Customer_id consists of {1,2,2,3,3,5,6,7,8,8} then what will be the output on executing the following query?
SELECT DISTINICT Customer_id
FROM account;

A. {1, 2, 3, 5, 6, 7, 8}
B. { }
C. {1, 2, 2, 3, 3, 5, 6, 7, 8, 8}
D. All of above
E. None of these
Answer» B. { }


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