About database systemsFor each of the descriptions given:a) identify the entities involved and their attributesb) identify the relationships and state what they are (1:m,m:n)c) draw an ERM diagram representing the information given,decompose any m:n relations.
i) During the course of a season a football team plays anumber of matches. Some of these are home others are away. Matchesalways involve two teams, one playing away and one at home. Teamsbelong to a variety of leagues each of which is subdivided intodivisions. A team may only belong to one league and one division ofthe league. (30 marks)
ii) A company maintains purchase order information.
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