Re:Modern Data Practice and the SQL Tradition
by Pamar on Friday November 08, 2019 @09:58AM
(#21482747)
Yes, there were various approaches to non-relational data stores but they were not so flexible in terms of "schema", which I believe is the main strength of NoSQL.
A possible exception could be MUMPS https://en.wikipedia.org/wiki/MUMPS but I have no direct experience with this (while I used something akin to https://en.wikipedia.org/wiki/Hierarchical_database_model at the start of my career).