----------------------------------------------------------- New Message on BDOTNET
----------------------------------------------------------- From: uva_net Message 4 in Discussion One or more keys combined together to identify a row in a table is called composite primary key... and each key in the composite primary key is a candidate key. the main difference betn. primary key n candidate key is... candidate key allow nulls where as primary key doesn't. regds, Uvaraj AT Arman Infotech Systems Pvt. Ltd. Bangalore ----------------------------------------------------------- To stop getting this e-mail, or change how often it arrives, go to your E-mail Settings. http://groups.msn.com/bdotnet/_emailsettings.msnw Need help? If you've forgotten your password, please go to Passport Member Services. http://groups.msn.com/_passportredir.msnw?ppmprop=help For other questions or feedback, go to our Contact Us page. http://groups.msn.com/contact If you do not want to receive future e-mail from this MSN group, or if you received this message by mistake, please click the "Remove" link below. On the pre-addressed e-mail message that opens, simply click "Send". Your e-mail address will be deleted from this group's mailing list. mailto:[EMAIL PROTECTED]
