Hey Habr! My name is Azat Yakupov, I work as a Data Architect at Quadcode. Today I want to talk about relational DBMS, which play an important role in the modern IT world. Most readers probably understand what they are and what they are for.
But how and why did relational DBMSs appear? Most of us are only aware of this. But the history of the creation of technology is very interesting, it allows you to better understand the basis of the digital world. If you are interested in this topic - please under cat.