MySQL : What is the difference between UNIQUE, UNIQUE KEY and CONSTRAINT 'name' UNIQUE?

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MySQL : What is the difference between UNIQUE, UNIQUE KEY and CONSTRAINT 'name' UNIQUE?
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MySQL : What is the difference between UNIQUE, UNIQUE KEY and CONSTRAINT 'name' UNIQUE?
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UNIQUE, CONSTRAINT What : UNIQUE MySQL UNIQUE? 'name' difference KEY and the is between



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