Run a select first to check whether you have that value stored and by using an "if" statement add the new value or show an error. ----- Original Message ----- From: "BAO RuiXian" <[EMAIL PROTECTED]> To: "Radwan Aladdin" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Monday, January 26, 2004 11:35 AM Subject: Re: [PHP] How to prevent duplicated values?
> > > Radwan Aladdin wrote: > > >Hello.. > > > >I want to prevent mySQL from storing the same value in a specified field (Username).. so how can I do it? > > > >Regards.. > > > > > Make it field UNIQUE. > > Best > > Bao > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
