On Fri, 7 Mar 2003, Rajesh Kumar Mallah wrote:
> Tomasz did you notice the two queries are totally differet on different
> tables?
A count() on a non-grouped table returns 1 row.
A grouped table returns 1 row per group. If there are no groups, no rows
are returned. If the groups are filtered by a having clause, it might
also return no rows.