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Author Question: If the parent is required, then a new child row must be created with a valid foreign key value. ... (Read 16 times)

Chloeellawright

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on: Jul 7, 2018
If the parent is required, then a new child row must be created with a valid foreign key value.
 
  Indicate whether the statement is true or false

Question 2

For a relationship to be considered a binary relationship it must satisfy which of the following conditions?
 
  A) It must involve exactly two entity classes.
  B) It must have a maximum cardinality of 1:1.
  C) It must have a maximum cardinality of 1:N.
  D) Both A and B are correct


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at

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

TRUE

Answer to Question 2

A


Chloeellawright

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Reply 2 on: Jul 7, 2018
Excellent

daiying98

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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