Knowing SQL can help you improve your skills as a developer. Learn what it is, see some basic commands and examples in this article:

Most developers, when writing in SQL, tend to spend too much time coding. While this is okay for projects that have the luxury of an easy deadline, the norm is that most database management systems require that their projects be completed within very tight deadlines. In such scenarios, there are always tips and tricks to help speed up the process of coding without compromising on the quality.

Check this Killing Steps to Introduction SQL