Stream Processing vs Real-time OLAP vs Streaming Database

How to use them and where they overlap

Recently there has been a lot of interest in real-time, streaming data. Naturally, it has led to a lot of questions, especially about how to process and serve real-time data. If you do a web search on this topic, you’ll find there are many different products and vendors in this space which can be very confusing. They say:

“use the right tool for the job…