-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 01-Jul-2002/18:53 -0500, Chad Skinner <[EMAIL PROTECTED]> wrote: >I am trying to create a database that has a many-to-many relationship. We >can build the tables without any problems, but I am trying to find out if >it >is possible to cascade delete the items in the related fields. > >Tables: >a - column_1 (Primary Key) >b - column_2 (Primary Key) > >c - fk_a_column_1 (Foreign key to a column_1) > fk_b_column_2 (Foreign key to a column_2) > >Is it possible to setup a relationship so that when a record in table a >is >deleted its related records in b are deleted as well.
I've never done this, but according to the docs I found, this should work: create table c( fk_a_column_1 foreign key references a(column_1) on delete cascade fk_b_column_2 foreign key references b(column_2) on delete cascade ); If not, ask on a postgre Tony - -- Anthony E. Greene <mailto:[EMAIL PROTECTED]> OpenPGP Key: 0x6C94239D/7B3D BD7D 7D91 1B44 BA26 C484 A42A 60DD 6C94 239D AOL/Yahoo Messenger: TonyG05 HomePage: <http://www.pobox.com/~agreene/> Linux. The choice of a GNU generation <http://www.linux.org/> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: Anthony E. Greene <mailto:[EMAIL PROTECTED]> 0x6C94239D iD8DBQE9ImIcpCpg3WyUI50RAnKxAJ4yHQvRdbTxU8DoUSGKbVYaIE0/pgCeJ0Hn pdg4Tuttf2M8tzkKEqYv9LY= =UCWq -----END PGP SIGNATURE----- _______________________________________________ Redhat-list mailing list [EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-list