RE: [PHP] MySQL: Add Autoincrement Field?
| From: | Jeff Oien | Date: | Sat, 17 Feb 2001 04:30:48 +0000 |
| Subject: | RE: [PHP] MySQL: Add Autoincrement Field? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-40292@lists.php.net to get a copy of this message | ||
Could you tell me how to add a field to an existing
database? I'm having trouble finding out how to do it.
Thanks.
Jeff Oien
> just add a field unique_id int auto_increment in the table...u dont have to
> do anything more...it will start at 1 and every time a new record is added
> to the table this value will be incremented....
>
> > I have an existing database from a flat file that I
> > imported into a MySQL table. Some of the title
> > fields are duplicates - songs with the same name
> > from different song books. So if I want to delete
> > a record by title, I'll end up deleting all songs with
> > that title. Is there a way I can add a unique id field
> > and have it automatically generate a unique number to
> > each record? Hope that made sense.
> > Jeff Oien
> >
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