;WITH BOM (Father,ChildCode,BomQty,iLevel) AS ( SELECT T0.Code Father, T1.Code ChildCode, CAST(T1.Quantity/T0.Qauntity AS DECIMAL(19,4)) BomQty, 1 iLevel FROM OITT T0 JOIN ITT1 T1 ON T0.Code =T1.Father UNION ALL SELECT U0.Father, T2.Code , CAST(U0.BomQty(T2.Quantity/T1.Qauntity) AS DECIMAL(19,4)), U0.iLevel+1 FROM BOM U0 JOIN OITT T1 ON U0.ChildCode=T1.Code JOIN ITT1 T2 ON T1.Code =T2.Father ) SELECT T0. FROM BOM T0 JOIN OITM T1 ON T0.Father=T1.ItemCode JOIN OITB T2 ON T2.ItmsGrpCod =T1.ItmsGrpCod WHERE T2.U_ItemType =‘1406‘
