[PAR35]

Secret Nazi mainframe computers and relational databases that access millions of other databases?

The Nazis used IBM for data processing.

https://www.nytimes.com/books/first/b/black-ibm.html

[Bryanw92]

>>The Nazis used IBM for data processing.

Those were IBM tabulating machines. They made spreadsheets, not databases, and definitely not anything resembling an rDb. The “database” was in the punchcards.