First Query per Instructions
- Invoice History
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 .