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DDNAME parameter z/OS MVS JCL Reference SA23-1385-00 |
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Parameter type: Keyword, optional Purpose: Use the DDNAME parameter to postpone defining a data set until later in the same job step. A DDNAME parameter on a DD statement in a cataloged or in-stream procedure allows you to postpone defining the data set until a job step calls the procedure; the data set must be defined in the calling job step. |
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