The following ER diagram represent the conceptual schema of a football database. Indicate true or false for each of the following statements. Each stadium must host at least one game. An instance of FAN can be added without being related to a team. The schema can be generated by pure bottom-up primitives.
All attributes are single-valued.
Indicate which primitives are used for each step. Discuss the coverage property. Identifiers and cardinalities should be clearly indicated. For each merchant, there is a merchant code, name, phone, and address. Every purchase must also be recorded.