Chapter 8

1. With the help of database-dependent providers.
2. Either by calling them Id or by decorating them with the Key attribute. This can also be done with fluent configuration approach.
3. With the MaxLength and MinLength attributes.
4. With something similar to: builder.Entity<Package>().HasIndex(m => m.Name);.
5. With something similar to:

   builder.Entity<Destination>()
   .HasMany(m => m.Packages)
   .WithOne(m => m.MyDestination)
   .HasForeignKey(m => m.DestinationId)
   .OnDelete(DeleteBehavior.Cascade);
   

6. Add-Migration and Update-Database.
7. No, but you can forcefully include them with the Include LINQ clause or by using the UseLazyLoadingProxies option when configuring your DbContext.
8. Yes, it is, thanks to the Select LINQ clause.
9. By calling context.Database.Migrate().