The 20 fastest-growing skills on in Q2 2019 experienced more than 120 percent year-over-year growth. As the volume of data grows exponentially and becomes more complex, businesses are investing more in solutions that help ingest, store and analyze it in order to optimize how they derive meaningful insights that inform business decisions. Forty-four percent of CIOs cite big data and analytics as the most scarce tech skill, according to a recent survey by Harvey Nash Inc.; as a result, experts familiar with relational databases (#14), which structure data in a way that helps recognize how different data points or sets are related to each other, were in high-demand in Q2, along with neo4j (#11), a graph database that helps developers harness connected data and simply express complex systems. By 2022, IDC expects worldwide big data and business analytics (BDA) will be a $274.3 billion industry. Read more and see the full list: