Hi I am looking for query where say for example user=xyz which is present in multiple watchlists [watchlist_A.csv, watchlist_B.csv, watchlist_C.csv, watchlist_D.csv] and not present in watchlist_E.csv, watchlist_F.csv watchlist have columns [ number, user, date ] 1, xyz, 01022000 2, abc, 02022000 I am looking for query to use multiple watchlist and find value of my search say user=abc when queried should show a table as below user, watchlistNames If result is present in multiple table it should give me the watclistnames where my search is user=abc and is present in watchlist_A.csv, watchlist_B.csv, watchlist_C.csv, watchlist_D.csv so my query result should be user, Watchlistnames abc,watchlist_A.csv, watchlist_B.csv, watchlist_C.csv, watchlist_D.csv
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