Regarding Function Module

Hi Experts,

It's Very Urgent. Can any one tell me ,Is there any function module to retrive data(records) from Bseg Table.

Actullay I hav a report, In that report ,it is mandatory to take records from bseg table 2 times.But IN production It is taking lot of time ,it has more than 7 lakh records in bseg table(in Production Server ).

So plz tell me is there any function module to retrive data from Bseg.

thanks&regards,

Venkat.