>
> Now, as you see, touples with NULL in the "start_time"-field appear "after"
> the others. I would like to make all entries where start_time IS NULL apear
> *before* all the others. Any idea how to achieve this?
SELECT start_date, start_time, end_time, title
FROM onp_crm_activity_log
WHERE start_date IS NOT NULL
ORDER BY start_date ASC, start_time IS NOT NULL ASC, start_time ASC;
This assumes you want the NULL start times first within a particular
date. Otherwise change the order in the ORDER BY clause.