What is migration in code?

What is migration in code?

Migration in EF 6 Code-First These strategies used to drop the entire database and recreate it, so you would lose the data and other DB objects. Entity Framework introduced a migration tool that automatically updates the database schema when your model changes without losing any existing data or other database objects.

How can add migration in ASP NET MVC?

Open the Package Manager Console. Select Tools > NuGet Package Manager > Package Manager Console. The Enable-Migration command creates the Migrations folder, which contains a script to initialize the database. Open the Configuration.

What is migration in asp net?

The migration helps you to update and change the data model that you’ve created for the application and you don’t need to re-create or drop your database. So, let’s proceed with the following section. Apply Code First Migration. The data model in the database usually changes after developing the new application.

What is migration in code first?

Code First Migration. Code First Migrations allow you to create a new database or update an existing database based on your model classes using the Package Manager Console for running commands.

How to use migrations in an ASP.NET MVC app?

The Up method of the InitialCreate class creates the database tables that correspond to the data model entity sets, and the Down method deletes them. Migrations calls the Up method to implement the data model changes for a migration. When you enter a command to roll back the update, Migrations calls the Down method.

How to perform code first migration in MVC 5?

Step 2: Build the solution. Step 1: Enter the following command in the Package Manager Console: Step 2: Run the application and see the changes in the Students link. This article has introduced you to the code first migration and how to apply it to the application. You can also view the benefits of migrating the database in the application.

What does NuGet migration do in MVC 5?

This command basically creates Migration folder in the solution consisting of configuration class file. In this file we can configure migrations of context. This command will bring the mentioned database to update and can check SQL for running migration.

How to use Entity Framework migrations in MVC?

After building and running the simple solution, you will have the application database generated, together with the MVC logic and views for data manipulation. In addition, you will learn how easy it is to use Entity Framework Migrations to perform model updates throughout your entire application.