Which of the following from an E-R diagram get their own relations (tables)? Choose all that apply.Multiple choice

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Question at position 4 You are modelling a university timetable system where you need to answer questions such as 'which students are in the same classes as this student?' and 'how are students connected through shared courses over time'. Which structure is likely to be more flexible for this analysis and why?A network structure, because nodes (students, courses) and edges (enrolments) can be walked to explore complex relationshipsA flat file, because all records are stored in one table and are easy to scanNo structure is needed; normalisation alone is sufficientAn ER structure, because it never requires joins and automatically handles many-to-many relationshipsClear my selection

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