saving work from ch 6

sales_agent_invoices.sql

@@ -0,0 +1,14 @@
+SELECT 
+    EMPLOYEE.FirstName, EMPLOYEE.LastName, InvoiceId
+FROM
+    Employee
+INNER JOIN
+    INVOICE
+ON
+    CUSTOMER.CustomerId = INVOICE.CustomerId
+INNER JOIN
+    Customer
+ON
+    Customer.SupportRepId = Employee.EmployeeId
+ORDER BY
+    InvoiceId ASC;