SQL (english)

The main objective of the practical part of the subject is to develop the fundamentals of the Structured Query Language (SQL). SQL has been one of the decisive factors in the success of the relational model, seen in perspective and in context, of course, in the 1970s: when programming languages ​​were not as developed as they were now and less than exclusive to experts , SQL came to simplify or at least make the task of retrieving information from a relational database structure more intuitive.