Currently foreign keys don't work that way. You will need your data to be in table persons if you want the foreign key to work correctly. Otherwise you could create your own trigger to ensure the foreign key restriction you need. I'm no expert at all and it seems there are non trivial issues that have to be solved in order to make foreign keys behave in the way you'd expect. A Dimecres 17 Gener 2007 11:42, ramachandra.bhaskaram@xxxxxxxxx va escriure: > Hi, > > We are having 3 tables; > 1. persons <-- Base table and no data will be inserted in this table. > 2. Person1 <-- Inherited table from persons all data will be inserted in > this table. 3. PersonalInfo <-- which is storing all personal information > of the persons and is having the foreign key relationship with the persons > table. > > When we try to insert the data in the personalInfo table it is throwing the > error stating the primary key does not contain the given value. But, if I > try to select from the persons table it is showing the records from its > inherited tables as well. Can anybody tell me what might be the problem > here? Or else any help regarding the same will be of very much help. > > Following is the table structure; > --------------------------------------------------------------------- > Create Table persons ( > name varchar, > age int, > dob varchar, > constraint pKey primary key(name) > ); > create table person1 ( ) inherits(persons); > > Create table personalInfo ( > name varchar, > contact_id int, > contact_addr varchar, > constraint cKey primary key(contact_id), > constraint fKey foreign key(name) references persons(name) > ); > --------------------------------------------------------------------------- >----------------------- > > Thanks In Advance, > Ramachandra B.S. > > > > The information contained in this electronic message and any attachments to > this message are intended for the exclusive use of the addressee(s) and may > contain proprietary, confidential or privileged information. If you are not > the intended recipient, you should not disseminate, distribute or copy this > e-mail. Please notify the sender immediately and destroy all copies of this > message and any attachments. > > WARNING: Computer viruses can be transmitted via email. The recipient > should check this email and any attachments for the presence of viruses. > The company accepts no liability for any damage caused by any virus > transmitted by this email. > > www.wipro.com -- Albert Cervera Areny Dept. Informàtica Sedifa, S.L. Av. Can Bordoll, 149 08202 - Sabadell (Barcelona) Tel. 93 715 51 11 Fax. 93 715 51 12 ==================================================================== ........................ AVISO LEGAL ............................ La presente comunicación y sus anexos tiene como destinatario la persona a la que va dirigida, por lo que si usted lo recibe por error debe notificarlo al remitente y eliminarlo de su sistema, no pudiendo utilizarlo, total o parcialmente, para ningún fin. Su contenido puede tener información confidencial o protegida legalmente y únicamente expresa la opinión del remitente. El uso del correo electrónico vía Internet no permite asegurar ni la confidencialidad de los mensajes ni su correcta recepción. En el caso de que el destinatario no consintiera la utilización del correo electrónico, deberá ponerlo en nuestro conocimiento inmediatamente. ==================================================================== ........................... DISCLAIMER ............................. This message and its attachments are intended exclusively for the named addressee. If you receive this message in error, please immediately delete it from your system and notify the sender. You may not use this message or any part of it for any purpose. The message may contain information that is confidential or protected by law, and any opinions expressed are those of the individual sender. Internet e-mail guarantees neither the confidentiality nor the proper receipt of the message sent. If the addressee of this message does not consent to the use of internet e-mail, please inform us inmmediately. ====================================================================
