I'd look at v$segstat ... and/or enable table monitoring. Monitoring will tell you if there has been any dml against it, v$segstat will tell you if anyone selected from it by looking at lio numbers.
IMHO this is more lightweight than auditing.
Raj
On 6/14/07, Hallas, John (EXP N-ARM) <john.hallas@lmco.com > wrote:Auditing is probably the best get, although there may be monthly, annual or ad-hoc tables that might take a time to appear in the audit tables.