Declare @Id Int                               
Select @Id = Id From sysobjects Where Name = 'OrganizationSetting'
if not Exists(SELECT * FROM syscolumns WHERE id = @Id and Name = 'IsInternetVerificationUser')
 ALTER TABLE OrganizationSetting ADD IsInternetVerificationUser BIT DEFAULT(0) NOT NULL 
 
 Select @Id = Id From sysobjects Where Name = 'OrganizationSetting'
if not Exists(SELECT * FROM syscolumns WHERE id = @Id and Name = 'IsPrescriptionUserCode')
 ALTER TABLE OrganizationSetting ADD IsPrescriptionUserCode BIT DEFAULT(0) NOT NULL 