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Mainframe REXX, JCL, and DB2 Essentials
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How many number of versions a generartion of a gdg can have at the max?
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A
1
💡 Explanation:
In IBM mainframe MVS/zOS, a Generation Data Group (GDG) can contain up to 255 generations (or 999 in newer releases), but each specific generation (e.g., G0001V00) can have only 1 version at a time.