if not exists (select * from sys.all_objects where name =  'FK_EST_PROD_TRANSF_EST_WMS_SAI_EST_WMS_SAI' )
begin
ALTER TABLE dbo.EST_PROD_TRANSF_EST_WMS_SAI ADD CONSTRAINT
	FK_EST_PROD_TRANSF_EST_WMS_SAI_EST_WMS_SAI FOREIGN KEY
	(
	CD_PED_WMS
	) REFERENCES dbo.EST_WMS_SAI
	(
	CD_PED_WMS
	) ON UPDATE  NO ACTION 
	 ON DELETE  NO ACTION 
end	