SQL queries don't start with SELECTOkay, obviously many SQL queries do start with SELECT (and actually this post is only about SELECT queries, not INSERTs or anything). But! Yesterday I was working on an explanation of window functions, and I found myself googling “can you filter based on the result of a window function”. As in – can you filter the result of a window function in a WHERE or HAVING or something? Eventually I conclude
