Oracle 6 for MS-DOS had 42-nd 3.5 diskette installation. Let’s see how installation looked like.

I never thought machine type was a significant option for Oracle under MS-DOS environment but it was

sqlpme? What’s that?

Probably the Oracle engine core had a name oracle6

sqldba is a something like nowadays SQL*Plus tool.

And the final check step.

Conclusion. If more details are interested for you I’d recommend a book
The Global Paleomagnetic Database: Design, Installation and Use with ORACLE by Jo Lock,M.W. McElhinny.
I have no idea how “magnetic” word relates to the Oracle 6 database today. But “paleo” word definitely hits the bull eye.

P.S.

Back to the future with Oracle 4.1