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Q 1 . Consider the following set of simplified requirements for a LOL database that is used to keep track of the interactions between heroes,

Q1. Consider the following set of simplified requirements for a LOL database that is used to keep track of the interactions between heroes, skills and equipments. (i) Each hero has a unique hero ID, hero name, gender, and e-mail. Each hero must own several skills. A hero may buy several equipments. (ii) Each skill has a unique skill ID and a skill name. A skill may be owned by only one hero. A skill may be supported by an equipment. (iii) Each equipment has a unique equipment number, subject and content. An equipment may be bought by several heroes. An equipment can be used to support several skills.

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