Possible to use SQL to sort by date but put null dates at the back of the results set?

Question

I have a bunch of tasks in a MySQL database, and one of the fields is \"deadline date\". Not every task has to have to a deadline date.

I\'d like to use SQL to sort the

Answer 1

SELECT foo, bar, due_date FROM tablename
ORDER BY CASE ISNULL(due_date, 0)
WHEN 0 THEN 1 ELSE 0 END, due_date

So you have 2 order by clauses. The first puts all non-nulls in front, then sorts by due date after that