Re: Adding a default value to a column after it exists

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Mike Fowler
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Re: Adding a default value to a column after it exists
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4DA5CE61.9000808@mlfowler.com
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Re: Adding a default value to a column after it exists Harald Fuchs <hari.fuchs@gmail.com>
Hi Dave,

On 13/04/11 17:21, Gauthier, Dave wrote:
>
> Is there a way to add a default value definition to an existing 
> column?  Something like an "alter table... alter column... default 'foo'".
>

Sure is something like that:

ALTER TABLE tablename ALTER COLUMN columnname SET DEFAULT expression;

For full documentation see: 
http://www.postgresql.org/docs/9.0/static/sql-altertable.html

> Thanks for any help.
>

Regards,

-- 
Mike Fowler
Registered Linux user: 379787

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