You may want to use a entity supertype/subtype design. Google or check: http://www.pgro.uk7.net/meil1.htm HTH Ignatius ____________________________________________ ----- Original Message ----- From: "shaun" <shaun@mania.plus.com> To: <php-db@lists.php.net> Sent: Thursday, May 08, 2003 8:07 PM Subject: Table Structure > Hi, > > I have the following tables in my database. A user could be of type Staff, > Client or Administrators. A client could have many reps. Only staff, > administrators and reps can log in to the system. I would appreciate your > comments on this model. Have i modelled this correctly, or should i have a > seperate table for each user? > > Thanks for your help > > > # ---------- MySQL dump ---------- > # > # Table structure for table 'WMS_Rep' > # > CREATE TABLE WMS_Rep ( > Rep_ID int(11) DEFAULT '' NOT NULL auto_increment, > User_ID int(11) DEFAULT '0' NOT NULL , > Rep_Name varchar(40) DEFAULT '' NOT NULL , > Rep_Username varchar(20) DEFAULT '' NOT NULL , > Rep_Password varchar(20) DEFAULT '' NOT NULL , > Rep_Location varchar(40) DEFAULT '' NOT NULL , > PRIMARY KEY (Rep_ID,User_ID) > ); > > # > # Table structure for table 'WMS_User' > # > CREATE TABLE WMS_User ( > User_ID int(11) DEFAULT '' NOT NULL auto_increment, > User_Username varchar(20) DEFAULT '' NOT NULL , > User_Password varchar(20) DEFAULT '' NOT NULL , > User_Name varchar(100) DEFAULT '' NOT NULL , > User_Type int(11) DEFAULT '1' NOT NULL , > User_Email varchar(70) , > User_Location varchar(40) , > PRIMARY KEY (User_ID) > ); > > # ----------- Dump ends ----------- > > > > -- > PHP Database Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > > -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
