alter VIEW vGetTaf_ID_Of_GardesheChek AS select g.ID,isnull(g.Taf_ID_BedehKar,0) Taf_ID from GardesheChek g where isnull(g.Taf_ID_BedehKar,0) > 0 union all select g.ID,isnull(g.Taf_ID_BestanKar,0) Taf_ID from GardesheChek g where isnull(g.Taf_ID_BestanKar,0) > 0 union all select g.ID,isnull(g.Taf_ID_Hazineh,0) Taf_ID from GardesheChek g where isnull(g.Taf_ID_Hazineh,0) > 0