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Title: Discuss how primary and foreign keys are used to implement relationships between tables in a relatio Post by: 青山 素子 on Jul 7, 2016 Discuss how primary and foreign keys are used to implement relationships between tables in a relational or object-relational database. In this discussion, describe the purpose of a primary key and of a foreign key, and define the concept of referential integrity. Then describe the placement of foreign keys in unary and binary one-to-many relationships and in unary and binary many-to-many relationships.
Title: Re: Discuss how primary and foreign keys are used to implement relationships between tables in a rel Post by: fiero on Jul 13, 2016 Content hidden
Title: Re: Discuss how primary and foreign keys are used to implement relationships between tables in a relatio Post by: 青山 素子 on Aug 2, 2016 Well answered, marking this question solved
Title: Re: Discuss how primary and foreign keys are used to implement relationships between tables in a relatio Post by: fiero on Aug 5, 2016 Don't forget to mark the topic solved :monkey:
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