Some Basic questions

Hi All,

I have SAP-R/34.6c set up and I hav a new requirement that to get the data from oracle to SAP-BW and then I have to show the data content from the SAP-BW

on top of portal by writing Iviews or BSPs.

Here my question coemes as

1.what are all the prerequisite environment need to have to accomplish this

2.and the steps to complete

Thanx in advance

Venki