Collect Column &pass To Not existed Tables

Hi Friends,

My Requirement Is I have 4000 XML Files Is there I need to load The All files In 64 Tables.I loaded all 4000 files Using foreachloopcontainer.But I have one column is Productid that is existed in Product table I need To collect That Product id From Product Table &then pass to What tables not Contains Productid.

Please Helpout Me From this issue????

Thanks&Regards

Anji