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Which type of key can uniquely identify a record, before one such candidate is formally chosen as the table's primary key?

337Medium DSSSB TGT Computer Science 0 replies 1 views
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Which type of key can uniquely identify a record, before one such candidate is formally chosen as the table's primary key?
  • AForeign key
  • BCandidate key
  • CComposite key
  • DSurrogate key
Correct answer: B

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