Assignment 2 DMA

Draw a Crow�s Foot ER diagram that shows the entity types and relationship types for Discount Flight. At least 6 entities are required for this prototype design. While you must name each relationship type, indicate cardinalities, and define its structural constraints. You may need to make any assumptions to make your diagram complete.

Draw a Crow�s Foot ER diagram that shows the entity types and relationship types for EG. At least 7 entities are required for this prototype design. While you must name each relationship type, indicate cardinalities, and define its structural constraints. You may need to make any assumptions to make your diagram complete.