Re: selecting all records where a column is null
От
Dave Page
Тема
Re: selecting all records where a column is null
Дата
Msg-id
D85C66DA59BA044EB96AB9683819CF610153DE@dogbert.vale-housing.co.uk
Список
Дерево обсуждения
Re: selecting all records where a column is null "Dave Page" <dpage@vale-housing.co.uk>
> -----Original Message----- > From: Elmshauser, Erik [mailto:erike@pbgnw.com] > Sent: 20 June 2002 19:47 > To: pgsql-general@postgresql.org > Subject: [GENERAL] selecting all records where a column is null > > > Hi, I am trying to select every record from a table where a > specific column does not have a value in it yet. Is there a > way to express that in a SQL statement? Here are the few I tried: > > select * from table where field; > select * from table where field = ''; > select * from table where field = NULL; select * from table where field IS NULL; Regards, Dave.
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