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Exam DMF topic 1 question 15 discussion

Actual exam question from CDMP's DMF
Question #: 15
Topic #: 1
[All DMF Questions]

A relationship that allows an address to be used by multiple people, and each person can have multiple addresses, can be resolved:

  • A. With an additional relationship describing the address usage
  • B. By changing the primary keys on Person and Address to ensure referential integrity
  • C. With an associative entity called Person Address Usage and two, 'one to many' relationships
  • D. With a partnership entity called Person Address Usage and two, 'one to many' relationships
  • E. By changing the role names of the foreign keys on Person and Address to ensure referential integrity
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Suggested Answer: C 🗳️
by MrWood47 at Jan. 18, 2025, 7:07 p.m.

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Hosna2023
1 month, 3 weeks ago
Selected Answer: C
he scenario describes a many-to-many (M:N) relationship between Persons and Addresses, where: A Person can have multiple Addresses. An Address can be used by multiple Persons. To properly model this, we need an associative entity (junction table) to break the many-to-many relationship into two one-to-many (1:M) relationships
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MrWood47
3 months, 2 weeks ago
Selected Answer: C
C is correct. Tied to first NF page 149 DMBOK2
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