Subject | Re: [ib-support] Change varcahr(40) to Varchar(100) |
---|---|
Author | Andy Browne |
Post date | 2003-02-27T12:00:12Z |
Bojidar,
I agree, there are always degrees of safety, and they each have their own cost!
At least Michael has a choice of how to proceed.
Andy
Bojidar Alexandrov wrote:
I agree, there are always degrees of safety, and they each have their own cost!
At least Michael has a choice of how to proceed.
Andy
Bojidar Alexandrov wrote:
> Andy Browne wrote:
> > Hi Michael
> >
> > 1) Add a temp field varchar(100)
> > 2) copy data from field to temp field (check the copy)
> > 3) drop field Varchar(40)
> > 4) add field Varchar(100)
> > 5) copy from temp field to new field (check copy)
> > 6) drop temp field.
> >
> > If you have dependancies you will have to sort those out first.
> >
> > This is long winded but safe!
> >
> > Andy
>
> Make three backups of database, restore them, compare databases to be sure
> Then save them on disks. One of them put in metal case at the office, other
> bury in the garden, and the third send at secure friend on the other side of
> the earth (in case of nuclear war)
> Then do: ALTER TABLE tablename ALTER columnname TYPE VarChar(100)
> And be happy :)
>
> --
> Bojidar Alexanrov
> Kodar Ltd.
> http://www.Kodar.net
>
>
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