Data Modeling for MongoDB: Building Well-Designed and Supportable MongoDB Databases by Steve Hoberman

Data Modeling for MongoDB: Building Well-Designed and Supportable MongoDB Databases by Steve Hoberman

Author:Steve Hoberman [Hoberman, Steve]
Language: eng
Format: epub, mobi
Publisher: Technics Publications
Published: 2014-06-06T23:00:00+00:00


And here are the two optionality questions I would ask:

Can an Entity A exist without an Entity B?

Can an Entity B exist without an Entity A?

In addition, we can also identify where we might add subtypes. Recall from Chapter 3 that subtyping groups the common properties of entities, while retaining what is special within each entity. Subtyping is an excellent way of communicating an entity lifecycle or for showing examples. For each entity, ask these two questions to determine whether subtypes should be added to the model:



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