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CDMP

DMF-1220 · Question #18

What type of key is used in physical and sometimes logical relational data modelling schemes to represent a relationship?

The correct answer is B. Foreign key. See the full explanation below for the reasoning.

Question

What type of key is used in physical and sometimes logical relational data modelling schemes to represent a relationship?

Options

  • APrimary key
  • BForeign key
  • CNetwork key
  • DApplications key
  • EDoor key
  • FAll of the above

How the community answered

(43 responses)
  • A
    5% (2)
  • B
    81% (35)
  • C
    2% (1)
  • E
    9% (4)
  • F
    2% (1)

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