Relational Database Management Systems (RDBMS) and Structured Query Language (SQL) associated with them represent a mature technology that existed for over 30 years. ... Despite this, SQL is far from being obsolete. There are situations where traditional RDBMS systems still remain a much better choice than NoSQL.

Are relational databases going away?

Traditional relational databases aren't going away anytime soon, for several reasons: Organizations have made significant investments in relational databases and underlying infrastructure. In addition, there are countless applications in production that are designed with a relational database backend.

Are relational databases still relevant?

But, by that same measure, as well as the updated DB-Engines database popularity rankings, relational databases still dominate big data. On current trends, then, we can expect NoSQL and relational databases to share the big data winner's podium for many years to come.