ALTER TABLE C_POSKey ADD CONSTRAINT ADImage_CPOSKey FOREIGN KEY(AD_Image_ID) REFERENCES AD_Image(AD_Image_ID) DEFERRABLE INITIALLY DEFERRED;

ALTER TABLE C_POS ADD CONSTRAINT OSKKeyLayout_CPOS FOREIGN KEY (OSK_KeyLayout_ID) REFERENCES C_POSKeyLayout DEFERRABLE INITIALLY DEFERRED;

ALTER TABLE C_POS ADD CONSTRAINT OSNPKeyLayout_CPOS FOREIGN KEY (OSNP_KeyLayout_ID) REFERENCES C_POSKeyLayout DEFERRABLE INITIALLY DEFERRED;

ALTER TABLE C_POSKey ADD CONSTRAINT ADPrintFont_CPOSKey FOREIGN KEY (AD_PrintFont_ID) REFERENCES AD_PrintFont DEFERRABLE INITIALLY DEFERRED;

ALTER TABLE C_POSKey ADD CONSTRAINT SubKeyLayout_CPOSKey FOREIGN KEY (SubKeyLayout_ID) REFERENCES C_POSKeyLayout DEFERRABLE INITIALLY DEFERRED;

ALTER TABLE C_POSKeyLayout ADD CONSTRAINT ADPrintColor_CPOSKeyLayout FOREIGN KEY (AD_PrintColor_ID) REFERENCES AD_PrintColor DEFERRABLE INITIALLY DEFERRED;

ALTER TABLE C_POSKeyLayout ADD CONSTRAINT ADPrintFont_CPOSKeyLayout FOREIGN KEY (AD_PrintFont_ID) REFERENCES AD_PrintFont DEFERRABLE INITIALLY DEFERRED;