do you mean that you have a primary key on table a with an fk to table b? and
on table b you have a primary key and an fk to table a?
if so, you've created a circular referential integrity constraint. The table
deadlocks since the values must exist in the other (tables a and b) table.
There are several solutions:
1. if the db supports it, use deferred constraints (check the docs)
2. remove one of the FK constraints from one of the tables
> From: [EMAIL PROTECTED]> To: [EMAIL PROTECTED]; firstname.lastname@example.org> Date:
> Tue, 26 Feb 2008 09:17:30 -0300> Subject: RES: [PHP-DB] INSERT query with
> Primary and foreign key> > This is more SQL than PHP, how did you create your
> constraints?> > Did you set insert on CASCADE?> > -----Mensagem
> original-----> De: Nasreen Laghari [mailto:[EMAIL PROTECTED] > Enviada em:
> segunda-feira, 25 de fevereiro de 2008 22:15> Para: email@example.com>
> Assunto: [PHP-DB] INSERT query with Primary and foreign key> > Hi,> > I need
> help to insert date into two tables when tables have primary and> foreign key
> relationship using php. I tried simple INSERT query but foreign> key colum is
> storing NULL.> > Regards> > Nasreen> > > >
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