Re: MySQL: Add Autoincrement Field?

From: Date: Sat, 17 Feb 2001 04:39:34 +0000
Subject: Re: MySQL: Add Autoincrement Field?
References: 1  Groups: php.general 
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alter table $TableName add column $ColumnName NOT NULL AUTO_INCREMENT PRIMARY KEY; Have a nice day! Brian Drexler Precision Web Design ----- Original Message ----- From: Jeff Oien <jeff@webdesigns1.com> To: PHP <php-general@lists.php.net> Sent: Friday, February 16, 2001 11:30 PM Subject: RE: [PHP] MySQL: Add Autoincrement Field? > 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 > > > > > > -- > > > PHP General Mailing List (http://www.php.net/) > > > To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net > > > For additional commands, e-mail: php-general-help@lists.php.net > > > To contact the list administrators, e-mail: php-list-admin@lists.php.net > > > > > > > > > > > > > > > > > > -- > > PHP General Mailing List (http://www.php.net/) > > To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net > > For additional commands, e-mail: php-general-help@lists.php.net > > To contact the list administrators, e-mail: php-list-admin@lists.php.net > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net > For additional commands, e-mail: php-general-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net

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