polling a database



Hi everybody,
a suggestion, please. I have an application A that modifies the
records of an access database. I should write an application B
(running on the same machine) that monitor these changes, without
modifying application A. I think the only solution is polling the
database and check every record in the table. I realized an
application that reload periodically in memory all the records (I use
an oledbdatareader, stayng always connected) and compares them with
the previous loaded records. Unfortunately the database is very
large
and this procedure takes 2s on a Pentium IV. Do you know any better
method or some tips I could use to improve the performances? I tried
using a dataset and working disconnected, but it's slower (3s).
Thanks.

.



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