Without metadata, you could only audit table (file) access via the audit subsystem of the operating system (if you have one, I come from AIX) or with the RTRACE/RTRACELOC option. Be aware that (at least in 9.2) the RTRACELOC option in the sasv9.cfg does not support dynamically generated filenames as the LOG option does, so you may have to do that in the script that invokes sas and use the -rtraceloc command line option. Access of columns could only be audited by working through the logs, IMO.
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