> Idea to have columns (ID,PARENT_ID) is quite good, I am using this
> structure for several projects, and have faced only 2 serious issues
> -a) to get all childs and subchilds of node x.. b) to get all

parents ,

> grandparents etc for node x. One solution is recursive, another quite
> tricky with some cycles, but both of them are not very quick :(.., as
> there you have to make separate reads for each level of data nodes.
> Adomas

Thank you Adomas for your kind reply. I will use this db structure with
IntraWeb, have you or anyone else some idea how to implement db-aware
view of this tree-like structure in IntraWeb, please? Thank you.