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Posted by Trevor Best on 10/25/05 13:27
Erland Sommarskog wrote:
> Do DAO have connection pooling? Modern client libraries have connection
> pooling, which means that when you close a connection from the code,
> the API lingers on the connection for a minute, in case you would
> reconnect directly. In such case, it's perfectly normal to see the
> connections around.
>
> Else, the only reason I can think of is that you had a transaction in
> progress when you closed the connections, and the rollback takes a
> long time. If you vie the processes with sp_who what state and active
> command do they have?
I've seen this in Access and it's a PITA as it makes changing users
impossible without restarting it, e.g. log in as "sa" then close
everything and log in as "joe", the front end thinks you are "joe" but
the back end thinks you are "sa", which can cause unpredictable results.
If it's connection pooling in place then I don't think it was
implemented right. I've seen it work the other way as well while logged
in as normal user I then try to log in as "sa" to manage users, etc and
get told I have no permission to do it.
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