how can we override data definitions in jcl.
can any one give detailed example
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Answer Posted / sj@iy
Adding to that..
Parameters can be overridden on the EXEC statement in
addition to the DD statement.
Sample for overriding REGION parameter of STEP10 in PROC
//STEP10 EXEC PGM=Program1, REGION=56K
//*Overriding the REGION parameter for STEP10
//SAMPPROC EXEC PROC=PROC1, REGION.STEP10=72K
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