“•PL/I, the “next new thing” (1969)”
IBM also had PL/S. This was PL/1 and had the ability to drop into Assembler to access data bases in IMS (Hierarchal) or DB/2 (Relational) was/is required.
IBM also had PL/S.
Knew about it, never had access to it, let alone a need for it. When one of the $DAYJOBs had a 370, that would have been the time to try it out...but I had my hands full with embedded programming at the time on 80186-based boards.