On Sun, Aug 28, 2011 at 1:32 AM, Kris-I <[email protected]> wrote:
> For me it's normal, a Customer can have several Contact and a contact is > link to one Customer. If the mapping it's not correct for you ... tell me > how correct this. > > But I need this : > - A Customer can have several Contact > - When I delete a Customer the Contact must be deleted too. Actually that implies you want a one-to-many relationship from Customer to Contact, instead of many-to-many. Please show your Contact class and CustomerContact table data structure. -- Regards, Maximilian Haru Raditya On Sun, Aug 28, 2011 at 1:32 AM, Kris-I <[email protected]> wrote: > For me it's normal, a Customer can have several Contact and a contact is > link to one Customer. If the mapping it's not correct for you ... tell me > how correct this. > > But I need this : > - A Customer can have several Contact > - When I delete a Customer the Contact must be deleted too. > > Regards, > > > On 27 August 2011 18:20, Oskar Berggren <[email protected]> wrote: > >> First you say it's many-to-many. Then you say what when one side is >> deleted, the other should be deleted too, which is weird in >> many-to-many since there could be other references. >> >> In Customer you indeed have a many-to-many mapping, but in Contact you >> have a many-to-one mapping back to Customer. Why? >> And you have the relation table CustomerContact, and yet the Contact >> also has a direct reference to Customer. Why? >> > > -- > You received this message because you are subscribed to the Google Groups > "nhusers" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/nhusers?hl=en. > -- You received this message because you are subscribed to the Google Groups "nhusers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nhusers?hl=en.
