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Answer by reaanb for What type of relationship does this example of weak and...
i). "Composition relationship" isn't a formal term in the entity-relationship model. As in your other question, I'll take it to mean a binary relation (a,b) that is left-total (every a is related to...
View ArticleWhat type of relationship does this example of weak and strong entity sets have?
Consider a strong entity set:Building(Building_id , Name , Area_occupied , Number_of_floors)And a weak entity set:Room(Room_number , Room_area_occupied , Capacity , Building_id)In entity set Room,...
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