sql4

TeamStatistics.sql

@@ -0,0 +1,20 @@
+WITH CTE AS(
+    SELECT home_teamId as 'r1' , home_team_goal  as 'g1', away_team_goal as 'g2' FROM Matches
+    UNION ALL
+    SELECT away_team_id as 'r1' , away_team_goal as 'g1' , home_team_goal as 'g2' FROM Matches 
+)
+
+
+#SELECT Distinct  r1, COUNT(r1) FROM CTE
+#GROUP BY r1
+
+SELECT t.teamName, COUNT(c.r1) AS Matches_played , SUM(
+    CASE 
+        WHEN c.g1 > c.g2 THEN 3
+        WHEN c.g1 = c.g2 THEN 0
+        ELSE 1
+    END) AS 'Points' , SUM(c.g1) AS 'goal_for' , SUM(C.g2) AS 'goal_away',
+    SUM(c.g1) - SUM(C.g2) AS 'goal_diff' FROM CTE C
+    INNER JOIN Teams T ON C.team_id = T.Teams 
+    GROUP BY c.r1, ORDER BY     Points DESC, goal_diff DESC, t.teamName;
+