Wired reports that three libre NoSQL databases were the fastest growing databases in the industry in 2014. Specifically: MongoDB, Redis, and ElasticSearch.
Here is the video of a talk I have at PyTexas in October, regarding PostgreSQL 9.4's new jsonb data store, how it compares to MongoDB, and how to use it from Python.
Information Technology is a hot career field for many reasons. The pay is usually good, often you get to work on exciting things that can change the world, and often you can work in any location and with flexible hours. But what should you focus on if you're wanting to get a career in I.T.? I think there are four main areas that will be "hot" in the coming decades:
Atomicity is a powerful concept in databases. To help you understand it, I will throw out a quick real-world example.