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I have post a question and i didnt get the full answer , I HAVE project for database about college SYstem so there is entities

I have post a question and i didnt get the full answer , I HAVE project for database about "college SYstem" so there is entities ( instructors - courses - sections - libary - adminstrators - cafetira " ) I want the ralations for the instructors between all the entities in ER digram please

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