Open-source and commercial database management systems (DBMSs) have been used in embedded systems for more than 20 years. For the most part, developers don't even debate whether to buy or build their own DBMS for embedded systems; that component is almost always bought.
The overall purpose of collecting data on the edge has shifted from purely device control and monitoring to improving various service capabilities through real-time analysis.
IoT devices span all aspects of modern life ? industrial, automotive, medical, and commercial applications that affect us all.