You are given the requirement for a simple database for the national football league(NFL). The NFL has many teams, and each team has a name, a city, a coach, a captain and a set of players. Each players belong to only one team and each player has a name, a position (such as left wing, mid fielder or a goal keeper) , a skill level, and a set of injury records. A team captain is also a player who guide other player and a game is played between two teams(referred as host team and guest team) and has a match date( such as june 11, 2018) and score (such as 2 to 5) Your design should include an E-R diagram, a set of relational schemas, and a list of constraints, including primary-key and foreign-key constraints.
You are given the requirement for a simple
league(NFL). The NFL has many teams, and each team has a name, a city, a coach, a
captain and a set of players. Each players belong to only one team and each player
has a name, a position (such as left wing, mid fielder or a goal keeper) , a skill level,
and a set of injury records. A team captain is also a player who guide other player
and a game is played between two teams(referred as host team and guest team) and
has a match date( such as june 11, 2018) and score (such as 2 to 5) Your design should include an E-R diagram, a set of relational schemas,
and a list of constraints, including primary-key and foreign-key constraints.
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