First Query per Instructions
Invoice History
Part 2
Once completed add the following queries to your database.
Create a query for each of the following that shows
How many invoices were paid on time
Which doctor has the most invoices
Which doctor has the least invoices
How many invoices due after June 30- 2014
How many different doctors offered a discount.
How many discounts were offered altogether.
Total of 7 Queries for this assignment .