-If we want to indicate that the authors of a book have conceived it when visiting another author in some country,the symbol used in the Crow's Foot notation would be:
A) A relationship connecting Book, Country, and Author
B) An associative entity type "conceived" connecting to Book, Country, and Author each by binary relationships
C) Three binary relationships connecting pairwise Book, Country, and Author
D) Two binary relationships connecting Book and Country, and Book and Author

Question

-If we want to indicate that the authors of a book have conceived it when visiting another author in some country,the symbol used in the Crow's Foot notation would be:
A) A relationship connecting Book, Country, and Author 
B) An associative entity type "conceived" connecting to Book, Country, and Author each by binary relationships 
C) Three binary relationships connecting pairwise Book, Country, and Author 
D) Two binary relationships connecting Book and Country, and Book and Author

Quizplus · Accepted Answer

The associative entity type "conceived" is the best choice as it allows for the connection between Book, Country, and Author, indicating that the book was conceived by the authors during their visit to a particular country. Each of these entities (Book, Country, and Author) should be connected to the "conceived" entity through binary relationships.

-If We Want to Indicate That the Authors of a Book