Multiple choice technology mainframe

What is the use of SUM FIELDS=NONE in SORT statement

  1. (A) Have only Duplicate records from input to output

  2. (B) Remove Duplicates records and write as single instance in output

  3. (C) Have only non Duplicate records from input to output

  4. (D) None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

SUM FIELDS=NONE in JCL/SORT eliminates duplicate records by keeping only one instance when multiple records have matching sort keys. Unlike SUM FIELDS with numeric fields (which sums values), FIELDS=NONE simply discards duplicates, yielding unique records.

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