Connecting unity to SQL

Hello everyone.
I’m new to unity and database servers, however, i’m working on an android app witch will need to get some texts from a SQLdatabase and also make some inputs on this same database.
I have almost no clue on how do i do this, so any help will be good.

The best answer on this post should help you out

There is also a tutorial here written for Javascript but converting the code to C# should be easy