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(Solved): Consider the following ER diagram for part of an Olympic Game database. Each Olympic Committee hold ...
Consider the following ER diagram for part of an Olympic Game database. Each Olympic Committee holds multiple games and gives out several medals. Every athlete must participate at least one game. Each game is participated by at least two athletes. Each medal is won by a single athlete. (1) Specify the cardinality ratio of each relationship in this ER diagram. (2) Derive the relational database schema from this ER diagram using ER-to-Relational Mapping.
Expert Answer
To specify the cardinality ratio of each relationship in the given ER diagram, we need to analyze the connectivity and constraints between the entities. Based on the description provided, we can determine the following cardinality ratios:Olympic Comm...