On 1/19/07, Martijn van Oosterhout <kleptog@svana.org> wrote:
>
> ALTER TABLE, to be correct, actually has to check the entire table to
> make sure it's ok. By doing it directly you're basically telling the DB
> it's OK.
>
> For making a varchar column longer it's safe though, and the easiest way.
Is it possible to use a similar method to change a varchar(n) to text
with no length constraint?
-K