Figuer:
-Assuming that we do not use the rule(s)that avoid null values in tables in converting the ERD diagram to a relational database,Deptno appears as a foreign key the following number of times:
A) 3
B) 4
C) 5
D) 6

Question

Figuer: 
-Assuming that we do not use the rule(s)that avoid null values in tables in converting the ERD diagram to a relational database,Deptno appears as a foreign key the following number of times:
A) 3 
B) 4 
C) 5 
D) 6

Quizplus · Accepted Answer

The Answer of Figuer: 
-Assuming that we do not use the rule(s)that avoid null values in tables in converting the ERD diagram to a relational database,Deptno appears as a foreign key the following number of times:
A) 3 
B) 4 
C) 5 
D) 6

Figuer: -Assuming That We Do Not Use the Rule(s)that Avoid Null