There is IF EXISTS for tables, is there the same thing for columns in the
table
like

IF EXISTS column IN TABLE table

? Just an idea

2008/8/13 VamVan <[EMAIL PROTECTED]>

> Interesting. Thanks guys!!
>
> On Wed, Aug 13, 2008 at 1:32 AM, Robin Vickery <[EMAIL PROTECTED]> wrote:
>
> > 2008/8/12 VamVan <[EMAIL PROTECTED]>:
> > > Hello,
> > >
> > > I am working on data migration for one mysql db to another using PHP.
> How
> > do
> > > I check if a particular table has a particular column. If not alter...
> > >
> > > Thanks
> > >
> >
> > Use the information_schema:
> >
> > SELECT COUNT(*) AS column_exists FROM information_schema.COLUMNS WHERE
> > TABLE_SCHEMA='db_name' AND TABLE_NAME='table_name' AND
> > COLUMN_NAME='column_name';
> >
> > -robin
> >
> > --
> > PHP General Mailing List (http://www.php.net/)
> > To unsubscribe, visit: http://www.php.net/unsub.php
> >
> >
>



-- 
Luke Slater

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