Relationships in EF Core - TekTutorialsHub

Cascade Delete in Entity Framework Core

Entity Framework Core Cascade Delete is one of the Referential actions. These actions specify what to do with the related rows when we delete the parent row. We can configure these actions in the database and in the EF core (Client). The options available to use are Delete the related rows (Cascade / ClientCascade), Update its Foreign Key to NULL (SetNull / ClientSetNull) or do nothing (Restrict/ NoAction / ClientNoAction). We setup delete behavior between entities using the FluentAPI OnDelete method.

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Many to Many Relationship in Entity Framework Core

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In this article, we will learn how to Configure Many to Many Relationship in Entity Framework core. You can visit the Tutorial Relationships in Entity Framework to learn how to configure one-to-one or one-to-many relationships between entities.

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One to Many Relationship in Entity Framework Core

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In this tutorial, we will learn how to Configure One to Many relationships in Entity Framework Core. You can use EF Core Conventions, Data Annotations or Fluent API to configure the One to Many relationships.

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One to One Relationship in Entity Framework Core

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We are going to look at how to Configure one to one relationship in entity framework core using Convention, Data Annotations & Fluent API.

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Relationships & Navigation Properties in EF Core

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In relational databases, it is a healthy practice to divide the data between related tables. For Example, the employee working in a particular department. We do not store both the information in the same table but divide them into Employee & Department table. When we divide tables, we also need to specify the relationships between them. For example, if you are looking for an employee working in a particular department, then you need to specify the relationship between employees and the department table. The relationship between these tables is defined using the foreign keys. We then use these relationships to query the database to get the meaningful data.

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