create migration .net core code example

Example 1: ef migrations

PM> add-migration MyFirstMigration
PM> Update-Database

Example 2: ef remove migration

/*to remove the last migration:*/
/*Visual Studio:*/
Remove-Migration
/*.Net Core CLI:*/
dotnet ef migrations remove

Example 3: add-migration .net core

Add-Migration InitialCreate

Example 4: add-migration .net core

In .net core CLI use 
dotnet ef migrations add InitialCreate