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What MySQL property is used to create a surrogate key in MySQL?(a) UNIQUE(b) SEQUENCE(c) AUTO_INCREMENT(d) None of the mentionedThe question was posed to me in an internship interview.The doubt is from Servlets and JSP topic in section Database Programming Techniques of Database Management |
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Answer» RIGHT ANSWER is (c) AUTO_INCREMENT Easiest EXPLANATION - A surrogate key in a database is a unique identifier for either an ENTITY in the modeled world or an object in the database. |
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