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Code-First Approach

Last Updated: May 17, 2026

10 min read

Code-first is the workflow most EF Core teams use today: you define plain C# classes for your domain, EF inspects them, and the database schema follows from the code. This lesson covers what code-first actually means, the conventions EF Core applies without any configuration, the two ways to customize mappings (data annotations and Fluent API), and a few extras like owned types and value converters that round out the picture.

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