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Entity Framework Core Cookbook - Second Edition

You're reading from  Entity Framework Core Cookbook - Second Edition

Product type Book
Published in Nov 2016
Publisher Packt
ISBN-13 9781785883309
Pages 324 pages
Edition 2nd Edition
Languages
Author (1):
Ricardo Peres Ricardo Peres
Profile icon Ricardo Peres

Table of Contents (15) Chapters

Entity Framework Core Cookbook - Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
1. Improving Entity Framework in the Real World 2. Mapping Entities 3. Validation and Changes 4. Transactions and Concurrency Control 5. Querying 6. Advanced Scenarios 7. Performance and Scalability Pitfalls Index

Shadow properties


Going one step further from private properties, in a well-defined model, it may make sense to hide certain properties from the developers so that they do not make unwanted changes to them, consciously or not.

Historically, Entity Framework, like most ORMs, has three models:

  • POCO model: This represents the .NET classes and their properties and references

  • Database model: This represents the tables, views, and columns (in the case of relational data stores) where data is actually stored

  • Mapping model: This model binds the two preceding models; this is where we say that the MyEntity class is to be stored in the MY_ENTITY table and the Id property goes into the MY_ENTITY_ID column

Note

Entity Framework used to call these models Conceptual Model, Storage Model, and Mapping Model. If you are curious, refer to the following link:

https://msdn.microsoft.com/en-us/data/jj650889.

So, what we are looking for is a way to have a backing data store for entities and properties that does not...

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