SQL programming: calculate the average cost of each diagnosis sorted from most expensive to least expensive.

SQL programming Import data from the following files into four tables. ptid.xls► claims.xls► icd.xls► cpt.xls► Identify patients that have diabetes in the above database. Calculate the average cost of each diagnosis sorted from most expensive to least expensive. Exclude all bills with negative or 0 values. Show if men are more likely to have diabetes … Read more