On Tue, 02 Nov 2004 10:44:41 -0500
"John B. Scalia" <jscalia [at] cityblueprinting.com> wrote:
> I've got a SQL problem that's stumping me. I have an employee table
> with a field labeled:
>
> Emp_terminated DATE
>
> Obviously, some employees in this table won't have this field set. I
> want a query to select only employees without this field being set,
> ie., only current employees. I've got the inverse working by using:
>
> SELECT * FROM employee WHERE ISFINITE(emp_terminated);
From http://www.postgresql.org/docs/faqs/FAQ.html:
4.13) In a query, how do I detect if a field is NULL?
You test the column with IS NULL and IS NOT NULL.
--
D'Arcy J.M. Cain <darcy [at] druid.net> | Democracy is three wolves
http://www.druid.net/darcy/ | and a sheep voting on
+1 416 425 1212 (DoD#0082) (eNTP) | what's for dinner.
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