Hi there,

I am involved in a project for building an EJB application that uses a DB2
database backend and WebSphere EJB server. DB2, as most databases, limits
the number of database connections available for database client
applications.

We will also deploy this application to WebLogic quite soon.

My question is about database connection management. WebLogic states that
there is a pre-established set of database connections, each of which could
be shared by multiple objects. Does it mean that multi threads can share a
single physical connection? Will pooling management typically be handled by
EJB server? Is it useful to have a central pool connection management in
application level? And will it be a bottleneck itself, although there are
some ways to reduce contention?

Any information or reference about database connection would be helpful,

Thanks in advance,

-Ming

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