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1. Draw an ER diagram of SOCCER TOURNAMENT DATABASE, that captures all the given below requirements. Specify key attribute(s) of each entity set. For each relationship set, specify structural constraints and participation constraints. [Chapter 3] a. For each TEAM, the database maintains Team ID, Team Name, City, and Manager. Each Team has a unique Team ID. b. Each PLAYER is described by a Player ID, Name, Position, and Team. Both Player ID and Position have unique values for each player. c. The game is scheduled in STADIUM. Each stadium has a Stadium name, city, match date and day. The value of Stadium name and city is unique for each stadium