What is the primary purpose of a Composite Usage Map in the context of physical database design?Single choice

A

To map the geographical location of various distributed nodes

B

To document the history of table modifications for regulatory audits

C

To visually represent the final logical schema of the organization

D

To estimate data volumes and access frequencies for resource planning

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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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