Mert Özen Further With Every Line

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Mert Özen's blog posts on software development, backend, frontend, and DevOps.

ALL All 188 posts
BE Backend 36 posts
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.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12 Entity Framework Core 28
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Relationships in EF Core, Part 1: One-to-Many, Foreign Keys and Cascade Delete
Database PART 05

Relationships in EF Core, Part 1: One-to-Many, Foreign Keys and Cascade Delete

We build a one-to-many relationship with Author and Book: principal, dependent and foreign key, how the convention finds the relationship, HasOne/WithMany in the Fluent API, adding graphs and fixup, required versus optional relationships, and real SQLite output for Cascade, ClientSetNull and Restrict with loaded and unloaded dependents.

5 Nov 2026 10 min 3
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