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MCQs

Total Questions : 46 | Page 5 of 5 pages
Question 41. . A star schema has what type of relationship between a dimension and fact table?
  1.    Many-to-many
  2.    One-to-one
  3.    One-to-many
  4.    All of the above.
 Discuss Question
Answer: Option C. -> One-to-many
Question 42. . The extract process is which of the following?
  1.    Capturing all of the data contained in various operational systems
  2.    Capturing a subset of the data contained in various operational systems
  3.    Capturing all of the data contained in various decision support systems
  4.    Capturing a subset of the data contained in various decision support systems
 Discuss Question
Answer: Option B. -> Capturing a subset of the data contained in various operational systems
Question 43. . Reconciled data is which of the following?
  1.    Data stored in the various operational systems throughout the organization.
  2.    Current data intended to be the single source for all decision support systems.
  3.    Data stored in one operational system in the organization.
  4.    Data that has been selected and formatted for end-user support applications.
 Discuss Question
Answer: Option B. -> Current data intended to be the single source for all decision support systems.
Question 44. . Transient data is which of the following?
  1.    Data in which changes to existing records cause the previous version of the records to be eliminated
  2.    Data in which changes to existing records do not cause the previous version of the records to be eliminated
  3.    Data that are never altered or deleted once they have been added
  4.    Data that are never deleted once they have been added
 Discuss Question
Answer: Option A. -> Data in which changes to existing records cause the previous version of the records to be eliminated
Question 45. . A multifield transformation does which of the following?
  1.    Converts data from one field into multiple fields
  2.    Converts data from multiple fields into one field
  3.    Converts data from multiple fields into multiple fields
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 46. . A multifield transformation does which of the following?
  1.    Converts data from one field into multiple fields
  2.    Converts data from multiple fields into one field
  3.    Converts data from multiple fields into multiple fields
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above

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