If you have ever written a complex SQL query involving rankings, running totals, moving averages, top-N records, or comparing rows within the same dataset, chances are you have faced difficult joins, ...
Sometimes, within an RPG program or a complex SQL query, there is a need to include a row counter, a running total, find a previous record, or create a ranking based on a specific value. This problem ...
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Customer stories Events & webinars Ebooks & reports Business insights GitHub Skills ...
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