On Monday 16 December 2002 18:12, tmb wrote: > I understood that MySQL didn't internally keep up with > the relationships between tables... like MS Access... > > And that it was up to the programmer to referential > integrity... > > But I noticed in phpMyAdmin that the offer the option > of defining a column in a table as 'Primary' > > Am I confused on this or is this something that > phpMyAdmin takes does ??
Yes, you can define column as a primary key. It uniquely references to a particular record in the table. So values must be unique and non-null. What exactly confused you? -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Victoria Reznichenko / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net <___/ www.mysql.com --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
