Sounds much like another implementation of an ISAM-like system, an early step along the road to relational database systems. ...roboticus

Ah! Thank you for that. You are right.

After all, I did originally come from a MS-DOS, PC COBOL (Microsoft, Micro Focus, Ryan McFarland) background (1990-1994).

IT IS ALSO A FORM OF NO-SQL. And may be considered an EMBEDDED database?

http://itknowledgeexchange.techtarget.com/enterprise-IT-tech-trends/key-value-pair-kvp-the-backbone-of-nosql/