Generic Extraction from Table

Hi friends,

i'm new for Extractions... i want to do Generic extraction from R/3 Table(Ex : MARA).. for that i opened RSO2 screen --- in that i'm not getting EXTRACT from DB Table....

i'm getting others..means..

1. Extraction from View

2. Extraction from Query

3. Extraction from FM..

But i did't get the Extraction from Table option..... so, what can i do... i'm using BI 7.0 .. And my table is contain.. data also... plz suggest me

Thanks

@jay