At the very outset, I am thankful to my parents, sister, athimber (ak), nieces (Ananya and Mridini), Sarayu maami, Jayaram mama, Babu mama, Saraswati manni, chittappas, grandpa (ICF) for all their support and wishes. Special thanks to my grandpa and grandma (chrompet), who aren't with me now physically, for their blessings. I would also like to thank my friends Raja, Madhan, Venki, Rajesh, Matheen, Jean, Bean, Anbu (Ramesh), Yogi, Chaks, Machan R, and Mahesh (Alwarpet) for their encouragement. I would like to thank some of my mates in the SAP sphere: Sivabalan, Eswar (Income Tax), Thomas, Arun Vajrakantham, Dinakar, Gopalraj, Arathi, Sankaraman Subramaniam, Santhosh Somasekaran, Rajesh Burra, Kamlesh, Lokesh Sharma, Lokesh, Shankar, Thaneesh, Bala, Guna, Singh, Kamba, Gyan, Prasanna, Charmi, Papri, Suneeta, Eswar (ISU), Kishore, Raju, Govind Rao, Laxmi Rao, Ashok (ABAP), Ganesh (FI), Radhey Shyam, Saravanagopal, and Vijay NR for their continuous support. It's a big list and I apologize if I have inadvertently missed mentioning any of you. I am indebted to the entire team of Packt Publishing for this opportunity and a special mention to Rahul Nair, Mohammad Rizvi, and Shaon Basu for entrusting me with the responsibility, and the technical reviewers, Alexey Tveritinov, Eric Wildenstein, Vladimir Mikhaylenko, and Gordon Du, for their invaluable suggestions and inputs.