What is BDRA

Earlier, the transactional and operational data were maintained in tables and stored in relational databases. They have formal structures and schemas. However, the recent production and flow of multi-structured data has inspired many to ponder about the new ways and means of capturing, collecting, and stocking. E-mails, PDF files, social blogs, musings, tweets, still photographs, videos, office documents, phone call records, sensor readings, medical electronics, smart grids, avionics data, real-time chats, and other varieties of data play a greater role in presenting highly accurate and actionable, timely insights for executives and decision-makers. The chapter provides an insight into the big data phenomenon, its usability and utility for businesses, the latest developments in this impactful concept, and the reference architecture.