The 1970's were a golden age for new programming languages, but do they have any relevance to programming today? post
YOUTUBE 0fpDlAEQio4 Published on Aug 15, 2018.
In this talk, we'll look at four languages designed over forty years ago -- SQL, Prolog, ML, and Smalltalk -- and discuss their philosophy and approach to programming, which is very different from most popular languages today.
MUMPS used by the Epic Systems and the Veterans Administration for electronic healthcare records is also from this era.
Neil Pappalardo developed this "built-in" database, enabling high-level access to disk storage using simple symbolic program variables and subscripted arrays; similar to the variables used by most languages to access main memory. wikipedia
Salesforce fits into this landscape as the first declarative system with horizontal cloud scaling (it does not scale vertically, it throttles to preserve multi-tenancy).