> BTW, in 
> > weblogic they will re-use a connection without reserving it if it's 
> > part of a non-transactional pool.
> 
> What exactly does this mean?  Several threads get handles to 
> the same physical connection  at the same time?  This seems 
> like a bad idea to me:-)
> 

No, it just means the Connection can reallocated as soon as it is closed
rather than waiting until the transaction is over.

In theory, the multi-threaded requirement for JDBC means that the same
Connection could be used by several threads at the same time. I don't
know of a driver that actually implements it this way although it would
be natural for a type-3 implementation.



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