agreed. and sqlite specifically. i’d really like to see an authoritative resource that shows me how to use sql and relational algebra to do some basic and inter

agreed. and sqlite specifically. i’d really like to see an authoritative resource that shows me how to use sql and relational algebra to do some basic and intermediate data analysis. i can find like 8 different ways to calculate skew and kurtosis, but is there a trusted resource that can show me how to do it? what other interesting data analysis can i do using sql?