DbQuery.cs

 public class SampleContext: DbContext
 {
        public SampleContext(DbContextOptions<SampleContext> options)
            : base(options)
        { }

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            modelBuilder
              .Query<BlogDTO>();
              
            //Removed other code
        }

        public DbSet<Blog> Blogs { get; set; }
        
        public DbQuery<BlogDTO> BlogDTOs { get; set; } 
  }