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What is the difference between static & dynamic call?
in the case of static call the mainprogram and subpgms r loaded into the mainmemory initially.in the case of dynamic call only the mainpgm is loaded first and the subpgm is loaded only when a call to it is made.so the memory utilization is good in dynamic call.
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Explain the difference between an internal and an external sort, the pros and cons, internal sort syntax etc?
An external sort is not COBOL; it is performed through JCL and PGM=SORT. It is understandable without any code reference. An internal sort can use two different syntaxes: 1.) USING, GIVING sorts are comparable to external sorts with no extra file processing; 2) INPUT PROCEDURE, OUTPUT PROCEDURE sorts allow for data manipulation before and/or after the sort.