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MCQs

Total Questions : 30 | Page 3 of 3 pages
Question 21. A relationship is an association representing the interaction between attributes.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 22. Some business rules cannot be represented in common data modeling notation.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 23. A binary relationship is a relationship between two or more entities.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 24. A time stamp is a time value that is associated with a data value.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 25. A logical representation of the data for an organization or for a business area is known as an entity-relationship model.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 26. A derived attribute is an attribute whose values can be calculated from a related relationship.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 27. A fact is a word or phrase that has a specific meaning for the business.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 28. A strong entity is an entity whose existence depends on some other entity type.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 29. No two attributes of the same entity type should have the same name.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 30. Multiple and binary relationships are the same thing.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False

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