SQL stands for Structured command language . As you'll go further in web development you'll need to manage databases (data of various things) This language is employed to manage data. From this language you'll create, manipulate,etc. the data.Various Big Companies like Facebook, Google,etc
Microsoft SQL certifications are professional credentials that can be used to demonstrate your skills using SQL Server, Microsoft's relational database management system. To earn certification, you must pass an exam that tests your skills.
Also read us- SQL Training in pune