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Expand stage in DataStage

Expand stage

The Expand stage converts a previously compressed data set back into a sequence of records from a stream of raw binary data.

The Expand stage can have a single input link and a single output link.

The Expand stage is a processing stage that uses the UNIX uncompress or GZIP utility to expand a data set. It converts a previously compressed data set back into a sequence of records from a stream of raw binary data. The complement to the Expand stage is the Compress stage which is described in Compress stage.

When you double-click the Compress stage, the properties panel opens. The properties panel has three tabs:

  • Stage. This is always present and is used to specify general information about the stage.
  • Input. This is where you specify details about the data set being expanded.
  • Output. This is where you specify details about the expanded data being output from the stage.
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