Aggregate functions help turn large datasets into simple summaries used across many fields. GROUP BY and HAVING allow structured grouping and filtering of data for clearer reports. Functions like ...

#' * `sql_not_supported()` creates a function that throws an informative error #' when a function is not supported in SQL. #' * `sql_check_na_rm()` is a helper that ...

I realized how much easier my life would be if SQL had a mode() aggregate function. (I'm using it in the mathematical sense). I'm guessing that either I use SQL in a wierd way or there is a good ...