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MCQs

Total Questions : 32 | Page 4 of 4 pages
Question 31. The union of primary keys of the related entity sets becomes a -------------------------- of the relation ?
  1.    Super Key
  2.    Candidate key
  3.    Foreign key
  4.    Primary key
 Discuss Question
Answer: Option A. -> Super Key
Question 32. Which of the following is not a valid operator for the WHERE Clause
  1.    IN BETWEEN
  2.    >=
  3.    All of above
 Discuss Question
Answer: Option A. -> IN BETWEEN

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