Hi Experts .
Please guide me about Enhancement Techniques used in SAP apart from BADI/User-Exit .
1.) what is set and how to create it ?
2.) What is formula is SAP and How to set it for Enhancement Pupose .
3.) What is BTE (Buisness Transection Events) ? How to create it for Enhancement Pupose ?
Please Elabarate the reply with step by step procedure .
Regards : Rajneesh