what is the command to update database in mssqlserver in code first in asp.net core code example

Example 1: how asp.net core works with sql server

public void ConfigureServices(IServiceCollection services)
{
    services.AddRazorPages();

    services.AddDbContext<RazorPagesMovieContext>(options =>
      options.UseSqlServer(Configuration.GetConnectionString("RazorPagesMovieContext")));
}

Example 2: ef migrations

PM> add-migration MyFirstMigration
PM> Update-Database