In order for this command to generate an entity type, the database table must have a primary key. Generates code for a DbContext and entity types for a database. -dry-run option show which database would be dropped, but don't drop it.-force or -f which is used to just delete without confirmation.If the database is not present, it will create one for us. This command updates the database with the details present in the migration. Ĭreates an executable to update the database. This lists all the migrations present in the project. migrations : script dotnet ef migrations script -s. Remember the script can be generated only when migrations are created. To generate SQL script for the Entity models, use the below command. This is required for the project to build and generate the migration. s "location of the startup project" is to specify the startup project. To create migrations from the application, we use the command migration add followed by name of the migration. EF Core Commands in Action migrations : add dotnet ef migrations add InitialCreate -s. To check entity framework core is installed and ready to use, type "dotnet ef" in the command prompt and you will see similar or same details as shown in the image. I have opened the database layer project's location in the command prompt.Now, Let's get started in exploring each command from dotnet ef command. In the real world, the project has more than one layer hence I choose to demo in a similar structure. Each serves its purpose and it satisfies the separation of concerns. The sample app project has five projects in it. ![]() Using the app, we will learn how to use all the dotnet ef commands. Demo App Explainedįor the purpose of the demo, I have a sample restaurant app created using DOTNET CORE. Refer to how to install Entity Framework Core for more information. Visual Studio NuGet Package Manager Console Install-Package ĭotnet ef must be installed as a global or local tool.Īlso, Install the latest package dotnet tool install -global dotnet-efĭotnet add package NET Core CLI command from the operating system's command line to install or update the EF Core SQL Server provider dotnet add package
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |