select and null - Mailing list pgsql-general

From Peter Pilsl
Subject select and null
Date
Msg-id 20001027141722.B5336@i3.atat.at
Whole thread Raw
Responses Re: select and null  (Marko Kreen <marko@l-t.ee>)
Re: select and null  (Igor Roboul <igor@raduga.dyndns.org>)
List pgsql-general
I have a table and want to print out all entries that are not Null ...

select * from test;
 entry
-------
 1
 2
 3

(4 rows)

select * from test where entry=Null;
 entry
-------

(1 row)

select * from test where entry<>Null;
 entry
-------
(0 rows)


select * from test except select * from test where entry=Null;
 entry
-------
(0 rows)


What is my brain missing here ???

thanks,
peter


--
mag. peter pilsl
email: pilsl@goldfisch.at
pgp-key available

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