Saving end of day changes

invoice_totals.sql

@@ -0,0 +1,10 @@
+SELECT 
+    INVOICE.Total, CUSTOMER.FirstName, CUSTOMER.LastName, EMPLOYEE.FirstName, Employee.LastName, Invoice.BillingCountry
+FROM
+    ((Customer
+INNER JOIN
+    Employee ON Employee.EmployeeId = Customer.SupportRepId)
+INNER JOIN
+    INVOICE ON INVOICE.CustomerId = Customer.CustomerId)
+ORDER BY 
+    INVOICE.Total DESC;

total_invoices_{year}.sql

@@ -0,0 +1,6 @@
+SELECT strftime('%Y', InvoiceDate) as Year,
+    COUNT(*) as InvoiceCount
+FROM Invoice
+WHERE strftime('%Y', InvoiceDate) = '2009'
+    OR strftime('%Y', InvoiceDate) = '2011'
+GROUP BY strftime('%Y', InvoiceDate);