From 858de01cabe578b2c13cde0aded29b4a90c5684c Mon Sep 17 00:00:00 2001
From: SAI NIHITH IMMANENI <sainihithimmaneni@SAIs-MacBook-Air.local>
Date: Sat, 11 Jan 2025 10:10:43 -0600
Subject: [PATCH] Done mock sql3

---
 Market Analysis II.sql | 25 +++++++++++++++++++++++++
 Tournament Winners.sql | 31 +++++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 Market Analysis II.sql
 create mode 100644 Tournament Winners.sql

diff --git a/Market Analysis II.sql b/Market Analysis II.sql
new file mode 100644
index 0000000..acaf8f1
--- /dev/null
+++ b/Market Analysis II.sql	
@@ -0,0 +1,25 @@
+WITH CTE AS (
+    SELECT o.order_id,o.order_date,o.item_id,o.seller_id,u.favorite_brand, RANK() OVER(PARTITION BY o.seller_id ORDER BY o.order_date) AS rnk
+    FROM
+    Orders o LEFT JOIN Users u
+    ON o.seller_id = u.user_id
+),
+
+CTE2 AS (
+    SELECT c1.seller_id AS 'id'
+    FROM CTE c1 INNER JOIN 
+    Items i
+    ON c1.item_id =  i.item_id AND c1.favorite_brand = i.item_brand
+    WHERE c1.rnk = '2'  
+    
+)
+-- SELECT * FROM CTE
+-- SELECT * FROM CTE2
+SELECT a.user_id AS seller_id, CASE
+    WHEN c2.id IS NOT NULL THEN 'yes'
+    ELSE 'no'
+    END
+ AS '2nd_item_fav_brand'
+FROM Users a
+LEFT JOIN CTE2 c2
+ON a.user_id = c2.id
\ No newline at end of file
diff --git a/Tournament Winners.sql b/Tournament Winners.sql
new file mode 100644
index 0000000..f0124a3
--- /dev/null
+++ b/Tournament Winners.sql	
@@ -0,0 +1,31 @@
+WITH CTE1 AS(
+    SELECT first_player AS plr, SUM(first_score) AS pts
+    FROM Matches
+    GROUP BY first_player
+UNION ALL
+
+SELECT second_player AS plr, SUM(second_score) AS pts
+    FROM Matches
+    GROUP BY second_player
+
+),
+
+CTE2 AS (
+    SELECT plr, SUM(pts) AS score
+    FROM CTE1
+    GROUP BY plr
+),
+
+
+CTE3 AS(
+SELECT p.group_id, c.plr AS player_id, c.score, RANK() OVER(PARTITION BY group_id ORDER BY score DESC, player_id ASC ) AS rnk
+FROM Players p
+INNER JOIN
+CTE2 c
+ON 
+p.player_id = c.plr
+)
+
+SELECT group_id,  player_id
+FROM CTE3
+WHERE rnk = 1
\ No newline at end of file