Consider an Entity-Relationship model in which entity sets E1 and E2 are connected by m : 1 relationship R. If E2 completely depends on E1 then what is the symbol used by E2?
1
Ovals that contain underlined identifiers
2
Diamonds with double/bold borde
3
Ovals with double/bold border
4
Rectangles with double/bold border
5
Question Not Attempted