That would be V6, though not the DOS-only versions 6.02-6.04, which were
incomplete implementations of the V6 spec (no indexing, either).
Probably 6.06 or 6.07, if it really matters.
Phil Vecchione wrote:
> I am working on a talk for my local SAS users group, and was wondering
> if someone could tell me what version of SAS first featured, proc SQL?
> Phil Vecchione