IBM InfoSphere DataStage stages
In this chapter we provide an overview of some of the commonly used stages in IBM InfoSphere DataStage, including the new stages available in Version 8.1.
As mentioned in “Jobs” on page 22, an IBM InfoSphere DataStage job consists of individual stages linked together, which describe the flow of data from a data source to a data target.
A stage usually has at least one data input and/or one data output. However, some stages can accept more than one data input, and output to more than one stage. Each stage has a set of predefined and editable properties that tell it how to perform or process data. Properties might include the file name for the Sequential File stage, the columns to sort, the transformations ...