Web Reference: May 1, 2023 · As your results show one row per date and item, SUM(1) OVER (PARTITION BY g.date) gets you the number of different items on a date, while SUM(COUNT(*)) OVER (PARTITION BY g.date) gives you the number of games on a date. Jun 25, 2021 · Many even asked if which one is better SUM (1) or COUNT (*). The answer is very simple and straightforward. Both are equal. I have run the demonstration which I have earlier shared here. During comparison of SELECT I ran the following query: Oct 31, 2012 · I'm looking for anything that will help speed up the process that is coded, and I was wondering if the effort of changing SUM to COUNT was worth it. I'll do some more investigating.
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