#groupby — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #groupby, aggregated by home.social.
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HAVING Filters After GROUP BY?!
HAVING filters GROUPS, WHERE filters ROWS! HAVING runs after aggregation, WHERE runs before. This order matters and will break your logic!
#sql #sqltricks #having #where #groupby #sqlweird #sqlquiz #codingchallenge #sqlshorts #sqlwtf #aggregation #advancedsql
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GROUP BY NULLs Are Treated As ONE?!
GROUP BY treats all NULLs as the same group! Multiple NULL rows get grouped together. This breaks grouping logic! Watch now!
#sql #sqltricks #database #sqltutorial #groupby #nullhandling #sqlquiz #codingchallenge #sqlshorts #sqlbugs #grouping #sqlwtf
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Secret to no Pivot Tables By Using Power Query Part 84:
The Group By feature in Power Query summarizes data by grouping rows based on one or more columns and applying aggregate functions like sum, count, or average.
#PowerQuery #ExcelTips #GroupBy #DataCleaning #ExcelTutorial #PowerBI #DataTransformation #ExcelHacks -
Group By Option Power Query Part 78:
Group By in Power Query aggregates rows based on one or more columns to summarize data (e.g., sum, count, average).
#PowerQuery #ExcelTips #DataCleaning #GroupBy #ExcelTutorial #DataTransformation #PowerBI #ExcelHacks -
Group By Option Power Query Part 77:
Group By in Power Query aggregates rows based on one or more columns to summarize data (e.g., sum, count, average).
#PowerQuery #ExcelTips #DataCleaning #GroupBy #ExcelTutorial #DataTransformation #PowerBI #ExcelHacks -
http://sqlreitse.com/2023/01/20/distinct-or-group-by/
A fun test to see the differences between distinct and group by. I'd love to hear your experiences! #sqlserver #tsql #distinct #groupby #zekerweten
