20. Many-to-Many Relationships in Entity Framework Core
38.1 هزار بار بازدید -
4 سال پیش
-
======================================📌 Complete Course:
======================================
📌 Complete Course: https://bit.ly/3bJawaZ
📌 Github repository: https://bit.ly/3apXvCH
=====================================
✅ Many-To-Many Relationship occurs when records in Table A have many linked records in Table B and vice versa.
✅ In Many-to-Many Relationships, you need to add an additional Entity/Table named Join Entity/Table which stores the relations between Table A and Table B
✅ Entity Framework Core allows you to use the navigation properties in your model to load related entities
===================================
You can also watch my courses on:
🎯 Udemy: http://bit.ly/2MaEA5r
🎯 LinkedIn Learning: https://bit.ly/2NJ5PEF
🎯 Pluralsight: http://bit.ly/2EsgjlJ
===================================
#aspnetcore #webapi #csharp #onetomany #databaserelationships #efcore #entityframework #entityframeworkcore
0:00 - Introduction
1:03 - Adding Author model
2:05 - Adding Book_Author join model
3:33 - Many-to-Many database schema overview
4:34 - Adding navigation properties for Book and Author models
5:17 - Using Fluent API to define model relations
8:45 - Adding a new migration and migration overview
10:25 - Updating database and database relations overview
11:00 - The end
📌 Complete Course: https://bit.ly/3bJawaZ
📌 Github repository: https://bit.ly/3apXvCH
=====================================
✅ Many-To-Many Relationship occurs when records in Table A have many linked records in Table B and vice versa.
✅ In Many-to-Many Relationships, you need to add an additional Entity/Table named Join Entity/Table which stores the relations between Table A and Table B
✅ Entity Framework Core allows you to use the navigation properties in your model to load related entities
===================================
You can also watch my courses on:
🎯 Udemy: http://bit.ly/2MaEA5r
🎯 LinkedIn Learning: https://bit.ly/2NJ5PEF
🎯 Pluralsight: http://bit.ly/2EsgjlJ
===================================
#aspnetcore #webapi #csharp #onetomany #databaserelationships #efcore #entityframework #entityframeworkcore
0:00 - Introduction
1:03 - Adding Author model
2:05 - Adding Book_Author join model
3:33 - Many-to-Many database schema overview
4:34 - Adding navigation properties for Book and Author models
5:17 - Using Fluent API to define model relations
8:45 - Adding a new migration and migration overview
10:25 - Updating database and database relations overview
11:00 - The end
4 سال پیش
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