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How to handle database migrations and schema changes in a .NET Core API using EF Core?

Steilla Mitchel 376 19-Oct-2023

How to handle database migrations and schema changes in a .NET Core API using EF Core?

.net core asp.net  asp.net core  .net core 
Updated on 20-Oct-2023
Steilla Mitchel

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Aryan Kumar

Aryan Kumar

20-Oct-2023

andling database migrations and schema changes in a .NET Core API using Entity Framework Core (EF Core) is an essential part of managing your application's data persistence. EF Core provides a powerful mechanism for managing these changes through the use of migrations. Here's how to handle database migrations and schema changes:

Initial Setup:

  • Before you can use migrations, you need to configure EF Core in your project. This typically involves installing EF Core, defining a DbContext, and configuring a database provider. You can do this during the project setup or use the .NET CLI commands like dotnet ef dbcontext scaffold to scaffold the DbContext from an existing database.

Create the Initial Migration:

Once your DbContext is set up, the first step is to create an initial migration.

Database Seeding:

  • You can also use migrations to seed the database with initial data. In your migration file, you can add code to insert records into tables during the migration process.

Automatic Migrations:

  • EF Core can automatically detect changes to your DbContext and generate migrations using the dotnet ef migrations add command. This is helpful for maintaining a consistent database schema as your application evolves.

Version Control:

  • It's a good practice to store your migrations and the database schema as part of your version control system (e.g., Git). This helps in managing changes and collaborating with other developers.

By following these steps and using EF Core's migration capabilities, you can effectively manage database schema changes in your .NET Core API. This approach ensures that your database schema remains in sync with your codebase, making it easy to evolve your application's data structure as your requirements change over time.

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