Example of setting up cascade delete in EF Core using Fluent API

cascade_delete_efcore_example.cs

using Microsoft.Data.Entity;
using Microsoft.Data.Entity.Metadata;

public class MyDBContext : DBContext
{
    public DbSet<Blog> Blog { get; set; }
    public DbSet<Post> Posts { get; set; }
    
    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder.Entity<Post>()
        .HasOne(p => p.Blog)
        .WithMany(b => b.Posts)
        .OnDelete(DeleteBehavior.Cascade);
    }
}