Oracle 12c: SQL
Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Chapter 1, Problem 9RQ

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Relationship that cannot be stored in a database:

A Many-to-Many (N:M) relationship is the type of relationship that cannot be stored in a relational database. It is because there would not be any another way to restructure or re-join the data correctly.

Many-to-Many relationship (N: M):

The entity instances of one entity associated to many entity instances of another entity is referred as many-to-many relationship.

  • An entity instance is an occurrence of a particular entity...

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Oracle 12c: SQL

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