OINM vs OITL VS OIVL

Hi All,

I am creating a query report by using OINM table as a base, however i found out that there is no unique key to left join OITL and OIVL. I can only link by DocEntry , DocType and DocLineNum. However by this linkage will cause duplicate row data when i link to ITL1 table.

Does anyone have any idea on this?

Kind Regards,

Yiu Chern