What is GDG.

GDG expands to Generation Data Groups. GDGs are a group of data sets which are related to each other funtionally in a chronological order. Example: //STEP01              EXEC PGM=IDCAMS //SYSIN                 DD * DEFINE GDG (NAME(EMPLOYEE.NAME)    – LIMIT(8)                                                                   – NOEMPTY                                                                – SCRATCH) /* // NAME – is the name of the data set that is to be created.…

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