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Author Question: What cardinality format is used in UML-style E-R diagrams? What will be an ideal ... (Read 82 times)

danielfitts88

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on: Jul 7, 2018
What cardinality format is used in UML-style E-R diagrams?
 
  What will be an ideal response?

Question 2

Which of the following describes suppliers in a position of strong bargaining power?
 
  A) coffee planters during a season of frost that decreases production
  B) domestic suppliers of corn in the event of removal of import duties on corn
  C) providers of logistic support when fuel prices have been reduced
  D) temporary part-time gym instructor at a well-known gym


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atrochim

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

UML-style E-R diagrams use an x..y cardinality format., where x is the minimum cardinality and y is the maximum cardinality. An asterisk () is used to represent an unlimited number. Thus, 0..1 means the entity has optional participation with a maximum of one, and 1.. means that the entity has mandatory participation with an unlimited maximum.

Answer to Question 2

A


danielfitts88

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Reply 2 on: Jul 7, 2018
Gracias!

emsimon14

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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