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Author Question: Which of the following is NOT true? Mapping an M:N relationship that has no attributes will result ... (Read 75 times)

LaDunn

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on: Jul 7, 2018
Which of the following is NOT true? Mapping an M:N relationship that has no attributes will result in:
 
  A) A new relation
  B) Two foreign keys
  C) A composite primary key
  D) A foreign key in both of the relations mapped from the involved entities

Question 2

If a 1:M relationship is mandatory on both sides, and if the table resulting from the 1 side has 3 records, then the table resulting from the M side CANNOT have less than ________ records.
 
  A) 0
  B) 1
  C) 2
  D) 3


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emily12345

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Reply #1 on: Jul 7, 2018
Answer to Question 1

D

Answer to Question 2

D


LaDunn

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Reply #2 on: Jul 7, 2018
Thank you


emily12345

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Reply #3 on: Jul 7, 2018
No problemo


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