RE: query400 question

["Andy Nolen-Parkhouse" <aparkhouse@xxxxxxxxxxxx>]

Rick,

Odds are that the queries which completed quickly used an existing index
for your sorts and joins.  Without an index, the system will need to
examine all records in order to present the correct information.

Try looking at your queries and see if this pattern holds.

Regards,
Andy Nolen-Parkhouse
>
> hey all,
>
> quick question:  does anyone know when/what makes query/400 decide it
must
> read all records for the query before displaying the first page?
>
> I use query a lot for quick one-off reports, mostly for my own
analysis,
> and in some complicated querys (joins, sorting on fields from
different
> files, etc) the query reads through all records before displaying the
> first
> page.
>
> sometimes, by omitting just one field from the sort, it won't have to
read
> the whole thing.