Design an E-R diagramfor keeping track of the exploits of your favourite sports team. You should store thematches played, the scores in eachmatch, the players in each match and individual player statistics for each match. Summary statistics should be modeled as derived attributes.
Answer to relevant QuestionsExtend the E-R diagram of the previous question to track the same information for all teams in a league.Consider a university database for the scheduling of classrooms for final exams. This database could be modeled as the single entity set exam, with attributes course-name, section-number, room-number, and time. ...Explain the distinction between condition-defined and user-defined constraints. Which of these constraints can the system check automatically? Explain your answer.Describe the differences inmeaning between the terms relation and relation schema. Illustrate your answer by referring to your solution to Exercise below.student (student-id, name, program)course (courseno, title, syllabus, ...List two reasons why we may choose to define a view.
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