"Ross J. Reedstrom" wrote:
>
>
> the SQL3 draft that Chris pointed me at (Aug94) only mentions LIMIT as a
> limit clause of a RECURSIVE UNION, whatever that is. (No time to examine
> it right now) This is from the file sql-foundation-aug94.txt.
>
If I understood it right, RECURSIVE UNION is a way to query a tree
structured
table, whith parent_id's in each child row.
AFAIK even have it in the TODO list ;)
The LIMIT there probably limits how many levels down the tree are
queried.
---------
Hannu
