Question: Match the types with the rules for deriving relations they represent: Group of answer choices strong entity types; Combine entities into one relation. weak entity
Match the types with the rules for deriving relations they represent:
Group of answer choices
strong entity types;
Combine entities into one relation.
weak entity types;
Create a relation to represent the multivalued attribute and post a copy of the primary key of the owner entity into the new relation to act as a foreign key.
onetomany : binary relationship types;
Post a copy of the primary keys from each of the owner entities into the new relation to act as foreign keys.
onetoone : binary relationship types;
Create relation that includes all simple attributes.
manytomany : binary relationship types;
Create relation that includes all simple attributes primary key still has to be identified after the relationships with each owner entity has been mapped.
Multivalued attribute
Create a relation to represent the multivalued attribute and post a copy of the primary key of the owner entity into the new relation to act as a foreign key.
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