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MCQs

Total Questions : 65 | Page 7 of 7 pages
Question 61. . A tuple is a(n):
  1.    column of a table.
  2.    two dimensional table.
  3.    row of a table.
  4.    key of a table.
 Discuss Question
Answer: Option C. -> row of a table.
Question 62. . One solution to the multivalued dependency constraint problem is to:
  1.    split the relation into two relations, each with a single theme.
  2.    change the theme.
  3.    create a new theme.
  4.    add a composite key.
 Discuss Question
Answer: Option A. -> split the relation into two relations, each with a single theme.
Question 63. . If attributes A and B determine attribute C, then it is also true that:
  1.    A → C.
  2.    B → C.
  3.    (A,B) is a composite determinant.
  4.    C is a determinant.
 Discuss Question
Answer: Option C. -> (A,B) is a composite determinant.
Question 64. . A relation in this form is free of all modification anomalies.
  1.    First normal form
  2.    Second normal form
  3.    Third normal form
  4.    Domain/key normal form
 Discuss Question
Answer: Option D. -> Domain/key normal form
Question 65. . If attribute A determines both attributes B and C, then it is also true that:
  1.    A → B.
  2.    B → A.
  3.    C → A.
  4.    (B,C) → A.
 Discuss Question
Answer: Option A. -> A → B.

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