Re: [SQL] Why wont this update work?

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От Chris Bitmead
Тема Re: [SQL] Why wont this update work?
Дата
Msg-id 37424742.925A3EA3@bigfoot.com
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Ответ на Why wont this update work?  ("Robert Chalmers" <robert@chalmers.com.au>)
Список pgsql-sql
Well "language" is an SQL reserved word. In Postgres it is a
non-reserved key word, so it's probably not the problem but it may be
worth seeing if changing the field name helps.


Robert Chalmers wrote:
> 
> Hi,
> trying to get this to work with pgsql, but it refuses to do anything...
> 
>    the table is called catalog. The field is called language and is a
> varchar(3) field.
>    81 of the records have the letter 'E' in the language field. i want to
> put 'NoD' in the rest.
> 
>   UPDATE catalog
>      SET language = 'NoD'
>      WHERE NOT language = 'E';
> 
> nor does
> 
>   UPDATE catalog
>      SET language = 'NoD'
>      WHERE language = 'NULL';    ........ or NULL and so on.
> 
> I can change the 81 letter 'E's to anything I like, but can not UPDATE the
> blank fields..
> 
> can anyone tell me what I am missing here please?
> 
> Thanks
> Bob
> 
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