also, look at this rather long thread:
Select table names from queries
in that thread you'll find a lot of ideas, but the one i'm referring to is Eugene Elutin's posts on page 4 of the thread, where he is reading the execution plan cache and parsing the xml for the table values:
Lowell
--
help us help you! If you post a question, make sure you include a CREATE TABLE... statement and INSERT INTO... statement into that table to give the volunteers here representative data. with your description of the problem, we can provide a tested, verifiable solution to your question! asking the question the right way gets you a tested answer the fastest way possible!