> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Ray Mullins
>
> Yes, but the DB2 on z/VM and z/VSE is not really DB2. :-)
>
> There are 3 different code platforms for DB2 - I'm missing
> some details, so someone please fill in the blanks...
>
> - Non-mainframe platforms (Unix-type), which came from
> another data base product
> purchased by IBM a long time ago (Sequent?), and has some
> code shared with
> Informix
> - z/OS (the original System R)
> - z/VSE, z/VM, which IIRC is based on DL/1
IIRC, DL/I "maps" to IMS.... On VM/ESA (previous shop; many moons ago)
we ran "SQL", which probably "maps" to DB2 on z/OS. I think it was also
called "SQL" on VSE.
-jc-
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