The era of batch processing in marketing campaigns and in CRM is fading away and real-time event processing is building a strong position. Sales model changes and supported by mobile banking the interest in real time data increases with more personalized risk management as well as security and compliance management. Let us share a story of a series of high ROI retail business use-cases already implemented by a bank operating in Czechia. We will go through technological aspects of the real-time event processing in marketing and how Oracle can help with its implementation using Golden Gate Stream Analytics and other products.