Create products-worth-over-invoices.sql

Author: kamyu104

MySQL/products-worth-over-invoices.sql

@@ -0,0 +1,13 @@
+# Time:  O(nlogn)
+# Space: O(n)
+
+SELECT name, 
+       Sum(rest)     rest, 
+       Sum(paid)     paid, 
+       Sum(canceled) canceled, 
+       Sum(refunded) refunded 
+FROM   product p 
+       INNER JOIN invoice i 
+               ON p.product_id = i.product_id 
+GROUP  BY name 
+ORDER  BY name;