Create drop-type-1-orders-for-customers-with-type-0-orders.sql

Author: kamyu104

MySQL/drop-type-1-orders-for-customers-with-type-0-orders.sql

@@ -0,0 +1,6 @@
+# Time:  O(n)
+# Space: O(n)
+
+SELECT COUNT(DISTINCT customer_id) AS rich_count
+FROM Store
+WHERE amount > 500;