RE: [PHP] MySQL: Add Autoincrement Field?
| From: | Jeff Oien | Date: | Sat, 17 Feb 2001 04:50:40 +0000 |
| Subject: | RE: [PHP] MySQL: Add Autoincrement Field? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-40366@lists.php.net to get a copy of this message | ||
Thank you. That was too easy.
Jeff Oien
> alter table $TableName add column $ColumnName NOT NULL AUTO_INCREMENT
> PRIMARY KEY;
>
> Have a nice day!
>
> Brian Drexler
> Precision Web Design
>
> > 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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