In this chapter, we went through various topics, including an introduction to databases like RDBMS and NoSQL, along with how to use them with Julia. We explored how to connect to a database using Julia. In the last part of this chapter, we went on to know the ideas behind REST-based systems and how to create a RESTful service along with a web app using Genie.jl in Julia.
In the next chapter, we will go a level deeper into understanding what goes under Julia and how things work the way they do. We will also get to know some performance tips while coding in Julia.