Multiple choice technology mainframe

Which of the following will enhance the efficiency of the jcl?

  1. INCLUDE COND = (10,3,CH,EQ,C'YES') SORT FIELDS = (1,5,CH,A)

  2. SORT FIELDS = (1,5,CH,A) INCLUDE COND = (10,3,CH,EQ,C'YES')

  3. Order doesn't matter

  4. INCLUDE COND = (10,3,CH,EQ,C'YES') SORT FIELDS = COPY
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Filtering records with INCLUDE COND before sorting them with SORT FIELDS is much more efficient because it reduces the volume of data that the sort engine needs to process and order in memory.

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