摘要： 合同相关表SELECT Okv.Variable_Value FROM Okc_Bus_Variables_Tl Obt, Okc_k_Art_Variables Okv, Okc_k_Articles_b Oka WHERE Oka.Id = Okv.Cat_Id AND Okv.Variable_Code = Obt.Variable_Code AND Oka.Document_Type = p_Document_Type AND Oka.Document_Id = p_Document_Id --and Obt.Variable_Name = p_Variable_Code AND O. 阅读全文