From e5de6685875d79026c52a1e476186d224b3474a9 Mon Sep 17 00:00:00 2001
From: Sangeeth Santhosh <73825180+sangeeths29@users.noreply.github.com>
Date: Sat, 31 May 2025 12:49:55 -0400
Subject: [PATCH] Add files via upload

---
 Problem1.sql | 12 ++++++++++++
 Problem2.sql | 21 +++++++++++++++++++++
 Problem3.sql |  5 +++++
 Problem4.sql |  9 +++++++++
 4 files changed, 47 insertions(+)
 create mode 100644 Problem1.sql
 create mode 100644 Problem2.sql
 create mode 100644 Problem3.sql
 create mode 100644 Problem4.sql

diff --git a/Problem1.sql b/Problem1.sql
new file mode 100644
index 0000000..f3b47a8
--- /dev/null
+++ b/Problem1.sql
@@ -0,0 +1,12 @@
+# Write your MySQL query statement below
+WITH CTE AS (
+    SELECT employee_id, experience, SUM(salary) OVER (PARTITION BY experience ORDER BY salary, employee_id) AS rsum FROM Candidates
+)
+
+SELECT 'Senior' AS experience, COUNT(employee_id) AS accepted_candidates 
+FROM CTE
+WHERE experience = 'Senior' AND rsum <= 70000
+UNION
+SELECT 'Junior' AS experience, COUNT(employee_id) AS accepted_candidates
+FROM CTE
+WHERE experience = 'Junior' AND rsum <= (SELECT 70000 - IFNULL(MAX(rsum), 0) FROM CTE WHERE experience = 'Senior' AND rsum <= 70000);
\ No newline at end of file
diff --git a/Problem2.sql b/Problem2.sql
new file mode 100644
index 0000000..8e75a0c
--- /dev/null
+++ b/Problem2.sql
@@ -0,0 +1,21 @@
+# Write your MySQL query statement below
+WITH CTE AS (
+    SELECT home_team_id AS r1, away_team_id AS r2, home_team_goals AS g1, away_team_goals AS g2
+    FROM Matches
+    UNION ALL
+    SELECT away_team_id AS r1, home_team_id AS r2, away_team_goals AS g1, home_team_goals AS g2
+    FROM Matches
+)
+
+SELECT t.team_name, COUNT(c.r1) AS matches_played, 
+SUM(
+    CASE
+        WHEN c.g1 > c.g2 THEN 3
+        WHEN c.g1 = c.g2 THEN 1
+        ELSE 0
+    END) AS points, SUM(c.g1) AS goal_for, SUM(c.g2) AS goal_against, SUM(c.g1) - SUM(c.g2) AS goal_diff
+FROM Teams t
+INNER JOIN CTE c
+ON t.team_id = c.r1
+GROUP BY c.r1
+ORDER BY points DESC, goal_diff DESC, team_name ASC;
\ No newline at end of file
diff --git a/Problem3.sql b/Problem3.sql
new file mode 100644
index 0000000..9b94d7a
--- /dev/null
+++ b/Problem3.sql
@@ -0,0 +1,5 @@
+# Write your MySQL query statement below
+SELECT name FROM SalesPerson WHERE sales_id NOT IN 
+(SELECT o.sales_id FROM Orders o
+LEFT JOIN Company c ON o.com_id = c.com_id
+WHERE c.name = 'RED');
\ No newline at end of file
diff --git a/Problem4.sql b/Problem4.sql
new file mode 100644
index 0000000..adb31dd
--- /dev/null
+++ b/Problem4.sql
@@ -0,0 +1,9 @@
+# Write your MySQL query statement below
+SELECT id, COUNT(*) AS num
+FROM 
+(SELECT requester_id AS id FROM RequestAccepted
+UNION ALL
+SELECT accepter_id AS id FROM RequestAccepted) AS combined
+GROUP BY id
+ORDER BY num DESC
+LIMIT 1;
\ No newline at end of file