--Referential integrity:
--1. Don't allow to add a detail without header
--2. Delete all details in cascade if one decide to delete the
header
--3. Update details' key in cascade if header's key is changed
DROP TABLE header;
CREATE TABLE header (
year
INTEGER NOT NULL,
-Message d'origine-
De : Stéphane FILLON <[EMAIL PROTECTED]>
À : [EMAIL PROTECTED] <[EMAIL PROTECTED]>;
[EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date : dimanche 1 août 1999 09:13
Objet : Tr: DUMP database for sample
>
>
>>Hi !
>>
>>I am trying a big commercial database application with Pos
