Subject Re: Database tree-like structure
Author willy_metra
> Links
> -----
> 1, 2
> 2, 3
> 1, 4
> 1, 5
> 1, 6
>
>
> 4 childs for the same parent. item 2 has 1 child (which is item 3).

OK, clear now... and what's the difference from Alexander solution,
please?