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Oracle

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Multiple Choice

Find the odd man out.

  1. PRIMARY KEY Constraint
  2. UNIQUE KEY Constraint
  3. CHECK Constraint
  4. FOREIGN KEY Constraint
  5. NOT NULL Constraint
    Note: While finding the odd man out from the above choices, consider the general scenarios, ignore the rare scenario.
  1. PRIMARY KEY Constraint
  2. UNIQUE KEY Constraint
  3. CHECK Constraint
  4. FOREIGN KEY Constraint
  5. NOT NULL Constraint
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