declare @i int;
set @i = 1;
while (@i < 100000) begin
	declare @mod int;
	set @mod = @i % 3;
	insert into base_class(sub_type) values(@mod)
	if @mod = 0
		insert into inheriting_class_a(base_class_id) values(@i)
	else if @mod = 1 
		insert into inheriting_class_b(base_class_id) values(@i)
	else 
		insert into inheriting_class_c(base_class_id) values(@i)

	set @i = @i+1
end