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Sams Teach Yourself J2EE™ in 21 Days by Peter Roxburgh, Andy Longshaw, Debbie Law, Dan Haywood, Martin Bond

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Q&A

Q1: What is the role of a resource adapter in the J2EE Connector architecture?
A1: A resource adapter is a software driver that acts as a bridge between an EIS and a J2EE container. The J2EE Connector architecture specification defines the relationship between the EIS and an application server through the system contract. The system contract dictates the responsibilities of both parties with regard to connection pooling, transaction management, and security. These operations are transparent to application components, which simply invoke functions on the EIS via an API exposed by the resource adapter.
Q2:How do I manage the demarcation of transactions when using the CCI API?
A2: The J2EE Connector architecture specification recognizes two categories ...

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