I use to write complex SQL query very usually, and I can say that it's far more ...

nojito · on Jan 30, 2023

Please share how many lines of sql it will take to statistically normalize multiple columns. Or even something simple like null cleaning columns based on dynamic thresholds.

ontologiae · on Jan 31, 2023

For normalization, for instance : Select stddev(col1)/avg(col1), stddev(col2)/avg(col2),... from mytable group by key. One line.

nojito · on Feb 1, 2023

That's just a handful of columns. You have to manually type out each and every arrangement.

Add in if you want the new columns to be added in place and you have to bring in window functions.