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Author Question: Given only the following excerpt of an E-R model: Which of the following is known to be true? A) ... (Read 59 times)

Frost2351

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on: Jul 7, 2018
Given only the following excerpt of an E-R model: Which of the following is known to be true?
 
  A) There are more instances of ENTITY A than there are instances of ENTITY B in the user's environment.
  B) A single instance of ENTITY B may be related to many instances of ENTITY A.
  C) A single instance of ENTITY A must be related to many instances of ENTITY B.
  D) ENTITY A has a minimum cardinality of one.
  E) The degree of the relationship is many.

Question 2

Any table that meets the requirements of a(n) ________ is in first normal form.
 
  Fill in the blank(s) with correct word


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stano32

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

B

Answer to Question 2

relation


Frost2351

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Reply 2 on: Jul 7, 2018
Gracias!

bigcheese9

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Reply 3 on: Yesterday
Excellent

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