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Given Only the Following Excerpt of an E-R Model

Question 58

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Given only the following excerpt of an E-R model: Given only the following excerpt of an E-R model: If one instance of ENTITY B must be related to one and only one instance of ENTITY A,and one instance of ENTITY A may be related to many instances of ENTITY B,which of the following should be written on the end of the relationship line next to ENTITY B in the figure above? A) B) C) D) E) None of the above is correct.
If one instance of ENTITY B must be related to one and only one instance of ENTITY A,and one instance of ENTITY A may be related to many instances of ENTITY B,which of the following should be written on the end of the relationship line next to ENTITY B in the figure above?


A)
Given only the following excerpt of an E-R model: If one instance of ENTITY B must be related to one and only one instance of ENTITY A,and one instance of ENTITY A may be related to many instances of ENTITY B,which of the following should be written on the end of the relationship line next to ENTITY B in the figure above? A) B) C) D) E) None of the above is correct.
B)
Given only the following excerpt of an E-R model: If one instance of ENTITY B must be related to one and only one instance of ENTITY A,and one instance of ENTITY A may be related to many instances of ENTITY B,which of the following should be written on the end of the relationship line next to ENTITY B in the figure above? A) B) C) D) E) None of the above is correct.
C)
Given only the following excerpt of an E-R model: If one instance of ENTITY B must be related to one and only one instance of ENTITY A,and one instance of ENTITY A may be related to many instances of ENTITY B,which of the following should be written on the end of the relationship line next to ENTITY B in the figure above? A) B) C) D) E) None of the above is correct.
D)
Given only the following excerpt of an E-R model: If one instance of ENTITY B must be related to one and only one instance of ENTITY A,and one instance of ENTITY A may be related to many instances of ENTITY B,which of the following should be written on the end of the relationship line next to ENTITY B in the figure above? A) B) C) D) E) None of the above is correct.
E) None of the above is correct.

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