I also store this 2nd connection string as an environment variable, and the user has elevated database permissions so it can create, drop, and alter tables, views, users, roles, etc. Luckily you can also pass a connection string to the Update-Database command. This document begins by introducing the default structure provided by the application startup template and discusses various scenarios you may want to implement. I generally like to limit the permissions of the user that my database logs in as so that the user canât make database object changes. NET Core Project dotnet new webapi -n YourWebApiProjectName Step 2: Install Required NuGet Packages To work with PostgreSQL and Entity Framework Core in your. By default this command will use the connection string that you specified above in UseNpgsql in the Program.cs file. EF Core migrations are a set of commands which you can execute in NuGet Package Manager Console or in dotnet Command Line Interface (CLI). In my case this is Windows å4, so I get anefbundle.exe dropped in my local folder. This will apply any migrations that have not yet been applied, in the order they are created. Migrations Bundle: C:\\local\\AllTogetherNow\\SixOh\\efbundle.exe PS C:\\local\\AllTogetherNow\\SixOh>
The output is an executable suitable for your target operating system. Once you are ready to apply this migration to your database, run the command Update-Database. This migration will contain all of the data to create your tables, columns, constraints, keys, relationships, etc. This will create the migration with the name MyFirstMigration and put it into a folder called Migrations at the root of your project. To create a migration, open the Package Manager Console in Visual Studio and run Add-Migration MyFirstMigration. There are a few other ways to apply migrations, but applying them programmatically has some advantages. To begin with, create a new ASP.NET Core MVC application (you can create Razor Pages app if you want). The migrations process for Postgres is no different than for any other sql database. To apply a specific migration: await context.GetInfrastructure ().GetService ().MigrateAsync ('Databasev4' ) Code language: C (cs) This migrates up or down to the specified migration, depending which migration youâre currently on.
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