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

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Data integration overview
Work performed by data integration jobs fall into four general categories:
Reading input data, including sequential files, databases and DataStage (DS) Parallel Datasets
Performing row validation to support data quality
Performing transformation from data sources to data targets
Provisioning data targets
Figure 2-1 depicts the general flow diagram for DataStage parallel jobs.
Figure 2-1 General flow for parallel job ...

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