Access heterogeneous data with DB2 Information Integrator: Part 1, Create EJBs that manipulate federated data methods

(Julien Muller and Martin Klumpp) Many developers are faced with the problem of managing heterogeneous data — that is, data kept in various kinds of stores that needs to be managed in a unified way. One way to access such data is through IBM DB2 Information Integrator, working in tandem with a J2EE

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