Jeff Sacksteder wrote:
> I'm having trouble doing a select on empty date fields.
>
> Suppose my table is composed of employee_number(char),
> hire_date(date), and termination_date(date).
> I would expect to be able to say:
>
> 'select * from employee_tables where termination_date = null' or:
> 'select * from employee_tables where
> isfinite(termination_date) <>
> 1'
>
> ...but no luck. What is the proper way to select undefined dates?
>
NULLs are unknown and therefore there equality can not be tested.
select * from employee_tables where termination_date is null;
ought to work however
hth,
- Stuart