An entity with two multivalued attributes will be mapped as how many relations

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asked Aug 24, 2018 59.5k views

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BiGYaN · Answer 1 · 2018-08-28T19:38:06+0000

There are so many relationships between the original entity and new relation.
The relation mapped from an entity involved in a 1:1 unary relationship contains a foreign key that correspond to its own primary key. 1 to one foreign key will be unique.

An entity with two multivalued attributes will be mapped as how many relations

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