From 8385da992a6ce7a5a32b5ae62456a5ff913e42c5 Mon Sep 17 00:00:00 2001
From: Sidrah Abdullah <58777694+degr8sid-code@users.noreply.github.com>
Date: Fri, 6 Sep 2024 10:56:37 -0600
Subject: [PATCH] Create running-total

---
 sql-queries/calculate-running-total/running-total | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 sql-queries/calculate-running-total/running-total

diff --git a/sql-queries/calculate-running-total/running-total b/sql-queries/calculate-running-total/running-total
new file mode 100644
index 00000000..4cb8ff11
--- /dev/null
+++ b/sql-queries/calculate-running-total/running-total
@@ -0,0 +1,12 @@
+SELECT id, scores, SUM(scores)
+OVER (ORDER BY id) AS RunningTotal
+FROM Exam;
+
+SELECT id, scores, (SELECT SUM(scores)
+                    FROM exam e2 WHERE e2.id <= e1.id) AS RunningTotal
+FROM exam e1 ORDER BY id;
+
+SELECT s1.id, s1.scores, SUM(s2.scores) AS RunningTotal
+FROM Exam s1
+JOIN Exam s2 ON s1.id >= s2.id
+GROUP BY s1.id, s1.scores ORDER BY s1.id;