Abstract: Disclosed are a method, a data processing engine, and a system for real-time processing a plurality of continuously-generated data streams. The method for real-time processing the data with different schemas that transmit from heterogeneous relational databases includes steps of identifying categories the data, converting the data, and then storing the data in a non-relational data. Moreover, an architecture is provided together with the system and the method to improve the management of products, product lines or lifecycle such as the feedback of information regarding the performance analysis of an online game, or real-time alerts and recommended actions regarding the yield rate in a manufacturing stage of an industry such as the semiconductor manufacturing industry.