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InfoSphere DataStage Parallel Framework Standard Practices by Paul Christensen, Julius Lerm

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Restructuring data
In this chapter, assume you are familiar with the most common record format in DataStage (DS), consisting of a set of atomic fields of types such as integers, char/varchar, float, decimal and so forth. That is the record format that most stages understand and are what can be referred to, in relational terms, as the First Normal Form (1NF). However, DataStage can handle record formats that are more complex than 1NF.
One of the original purposes of the underlying DataStage parallel framework was to parallelize COBOL applications. ...

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