select u_mtrl_price.mtrlid, u_mtrl_price.name as mtrlname, ISNULL(u_mtrl_price_pricelist.price, 0) AS pricelistprice, u_mtrltype.dannum1_rate, u_mtrltype.dannum2_rate, u_mtrltype.dannum3_rate, u_mtrltype.dannum4_rate from u_mtrl_price LEFT JOIN u_mtrl_price_pricelist ON u_mtrl_price.mtrlid = u_mtrl_price_pricelist.mtrlid LEFT OUTER JOIN u_mtrltype ON u_mtrl_price.mtrltype = u_mtrltype.mtrltypeid u_mtrl_price.mtrltype = 2 u_mtrl_price_pricelist.pricelistid = @arg_pricelistid u_mtrl_price_pricelist.pricelistid = (select pricelistid from u_dept where deptid = (select deptid from u_bednet where bednetid = @arg_bednetid)) u_mtrl_price_pricelist.pricelistid = (select pricelistid from u_dept where deptid = @arg_deptid)