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Qus : Which SQL statement is used to remove a unique constraint from a column?
Qusकिसी कॉलम से अद्वितीय बाधा को हटाने के लिए किस SQL कथन का उपयोग किया जाता है?
A. DROP CONSTRAINT
B. REMOVE CONSTRAINT
C. ALTER TABLE
D. DELETE CONSTRAINT
Solution
C. ALTER TABLE
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