DECLARE @Id AS BIGINT
Select @Id = Id From sysobjects Where Name = 'TmpDrugHavaleh'
if not Exists(SELECT * FROM syscolumns WHERE id = @Id and Name = 'JetId')
  Alter Table TmpDrugHavaleh Add JetId INT 



Select @Id = Id From sysobjects Where Name = 'DrugHavaleh'
if not Exists(SELECT * FROM syscolumns WHERE id = @Id and Name = 'JetId')
  Alter Table DrugHavaleh Add JetId INT 


Select @Id = Id From sysobjects Where Name = 'Havaleh'
if not Exists(SELECT * FROM syscolumns WHERE id = @Id and Name = 'JetId')
  Alter Table Havaleh Add JetId INT 