When using aggregate functions you must include all of the other columns selected inside of a group by clause, but doing so the result becomes incorrect. Take this as an example: SELECT Squadre.Codice...

I have seen a lot of references to using json_array_elements on extracting the elements of a JSON array. However, this appears to only work on exactly 1 array. If I use this in a generic query, I get ...

I need to compute distinct set of items from the aggregated arrays. I cannot use the array_concat as suggested in similar threads, as I don't know how many arrays I'll be concatenating. I've tried usi...

I have a query that pulls the total number of records grouped by the year and length of characters in the identification number. I want to add a column that calculates the percentage of this total aga...