GENERIC ERD
Observe the GENERIC ER Diagram below:

This ER diagram will be used for the following questions citing Generic ER Diagram.
-If in the GENERIC ERD the Symbol 1 is | and the Symbol2 is 0|,then the number of columns in the relational schema resulting from mapping the GENERIC ERD is 5.

Question

GENERIC ERD
Observe the GENERIC ER Diagram below:
 
This ER diagram will be used for the following questions citing Generic ER Diagram.
-If in the GENERIC ERD the Symbol 1 is >| and the Symbol2 is 0|,then the number of columns in the relational schema resulting from mapping the GENERIC ERD is 5.

Quizplus · Accepted Answer

Based on the mapping rules for ERD symbols, >| represents a one-to-many relationship where the "one" side is mandatory and the "many" side is optional. 0| represents a zero-to-many relationship where the "zero" side is optional and the "many" side is optional. When mapping these symbols to a relational schema, it results in 5 columns, which are the foreign key column(s) from the "many" side and the primary key column(s) from the "one" side. Therefore, the statement is true.

GENERIC ERD Observe the GENERIC ER Diagram Below