Title: For a unary M:N relationship: Post by: boyob89 on Jun 4, 2016 For a unary M:N relationship:
A) the entity type and the M:N relationship are modeled as one relation; a composite key is used B) the entity type is modeled as one relation; using as its primary key a composite key, a separate relation is created to represent the M:N relationship C) separate relations for the class and for each subclass are created; primary and foreign keys are established for each class D) the primary key of the entity on the one side of the relationship serves as a foreign key in the relation on the many side of the relationship Title: Re: For a unary M:N relationship: Post by: MartyJay on Jun 9, 2016 Content hidden
Title: Re: For a unary M:N relationship: Post by: boyob89 on Jun 20, 2016 i didn't expect someone to answer, this website is awesome
Title: Re: For a unary M:N relationship: Post by: MartyJay on Jun 21, 2016 Glad I could help
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