| From: | Diogo Biazus <diogo(at)ikono(dot)com(dot)br> |
|---|---|
| To: | Jeff Sacksteder <jwsacksteder(at)ramprecision(dot)com> |
| Cc: | "'pgsql-general(at)postgresql(dot)org'" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Need help with sql select on null dates! |
| Date: | 2002-11-26 14:01:45 |
| Message-ID: | 3DE37EC9.8060600@ikono.com.br |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
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'
>
>
Isntead of '= null' you should use the 'IS NULL' operator.
For example:
'select * from employee_tables where termination_date is null'
--
Diogo de Oliveira Biazus
diogo(at)ikono(dot)com(dot)br
Ikono Sistemas e Automação
http://www.ikono.com.br
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