ALTER TABLE tx_vhc_type ADD tx_vhc_cat_id INT DEFAULT NULL;
ALTER TABLE tx_vhc_type ADD CONSTRAINT FK_26D6EC187C436EFD FOREIGN KEY (tx_vhc_cat_id) REFERENCES tx_vhc_categorie (id) ON DELETE CASCADE;
CREATE INDEX IDX_26D6EC187C436EFD ON tx_vhc_type (tx_vhc_cat_id);
