CIS 480


Create ER diagrams for the following scenarios:

Scenario One .

IYSL is a regional soccer association. Each city in the region has one team that represents it. Each team has a maximum of 15 players and a minimum of 11 players. Each team also has up to three coaches. Each team plays two games (home and visitor) against the all the other teams during the season.
                                    


Scenario Two .

Develop an E-R Diagram for Fred's Catering Service.  Each dinner is based on a single entree, but each entree can be served at many dinners.  A guest can attend many dinners and each dinner can be attended by many guests.  Each dinner invitation may be mailed to many guests and each guest may receive many invitations.


Scenario Three .