Create odd-and-even-transactions.sql

Author: kamyu104

MySQL/odd-and-even-transactions.sql

@@ -0,0 +1,9 @@
+# Time:  O(nlogn)
+# Space: O(1)
+
+SELECT transaction_date, 
+       SUM(IF(amount%2 != 0, amount, 0)) AS odd_sum,
+       SUM(IF(amount%2 = 0, amount, 0)) AS even_sum
+FROM transactions
+GROUP BY 1
+ORDER BY 1;