Answer / Harshvardhan Aditya

To select the highest score for each subject or the highest income for every month in an RPG program on AS400, you can use sorting and grouping techniques. Here's a basic example for highest income: 1) Create a DS for each record with fields for Income, Month, Year etc. 2) Sort the DS by Income in descending order. 3) Group the records by Month, using the GROUP command. 4) Within each group (i.e., for every month), select the first record which will contain the highest income.

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