--See the DB Structure: http://img61.imageshack.us/my.php?image=erdmb5.jpg
Create table contacts (
contact_id Int NOT NULL,
changed Datetime,
del Tinyint,
name Varchar(128),
email Varchar(128),
firstname Varchar(128),
user_id Int,
Primary Key (contact_id)) ENGINE = MyISAM;
Create table contact_info_type (
contact_info_type_id Int NOT NULL,
display_label Varchar(128),
Primary Key (contact_info_type_id)) ENGINE = MyISAM;
Create table contact_info (
contact_id Int NOT NULL,
contact_info_type_id Int NOT NULL,
value Varchar(128),
contact_info_id Int NOT NULL,
Primary Key (contact_info_id)) ENGINE = MyISAM;
Alter table contact_info add Foreign Key (contact_id) references
contacts (contact_id) on delete restrict on update restrict;
Alter table contact_info add Foreign Key (contact_info_type_id)
references contact_info_type (contact_info_type_id) on delete
restrict on update restrict;
/*
I think that the contact_info_type can hold the type of contact
info, like organization, telephones, mother name :D and the
contact_info has the ones that belongs to the contact.
*/
2006/8/11, Martin Marques <[email protected]>:
On Thu, 10 Aug 2006, Michel Moreira wrote:
> I dont think that saving the all the field data in one vcard string is
> a good idea.
>
> How about searching my contacts that live on some city, some info that
> is in this vcard string?
>
> It isnt good to add a field to each contact info that is available...
>
> I think that can be created 2 tables, one with the contact info type
> and one that has an 1-n relationship between the contacts table and
> tis contact info type table, where u can put the info.
>
> Then u can search freely withouth performance issues and store and
> extends all the contact info without having too many empty fields.
This is a good idea. can we through some ideas on DB structure?
--
21:50:04 up 2 days, 9:07, 0 users, load average: 0.92, 0.37, 0.18
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Lic. Martín Marqués | SELECT 'mmarques' ||
Centro de Telemática | '@' || 'unl.edu.ar';
Universidad Nacional | DBA, Programador,
del Litoral | Administrador
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