Re: logic/db question

If table reorganization is an option for you, you could consider using
integer ranges for describing parant/children relationships.

I have seen them in one of Joe Celko books:

http://www.amazon.com/gp/product/1558609202/sr=8-2/qid=1154595988/ref=pd_bbs_2/104-2243146-1376759?ie=UTF8

In that way, you can find all the children with just one query.

Regards
Marco

On 8/2/06, bruce <bedouglas(at)earthlink(dot)net> wrote:
> hi...
>
> i have a tbl
> fooTBL
> name
> parentID
> ID
>
> so a name can have might have a parentID, as well as an ID. 'name's are
> associated with other 'name's via the parentID. in other words, if a name's
> parentID == a name's ID, name1 is the parent of name2.
>
> name parentID ID
> foo - 1
> cat 1 2
> dog 2 3
>
> my question, how can i come up with a sql query that will list all the
> children (and children's children...) of a top level item?
>
> i had done this awhile ago.. but can't recall how i did it..
>
> thanks
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 6: explain analyze is your friend
>

--
Marco Bizzarri
http://notenotturne.blogspot.com/