Relationship - data models | NinethSense

Relationship - data models

Filed in Architecture on Dec.05, 2007

One to many - one record in ‘Orders’ table have many records in ‘OrderLines’ table

One to One - one record in ‘Customers’ table have only one record in ‘CustomerProfile’ table

Many to Many - Many ‘books’ of the same copy can be barrowed by many people from a ‘library’

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