From c96456fe56a59f13e1ea9562682aa9606258315e Mon Sep 17 00:00:00 2001
From: Parth Modi <modiparth527@gmail.com>
Date: Sat, 4 Jan 2025 07:56:58 +0100
Subject: [PATCH 1/2] sql4

---
 friendrequest2.sql | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 friendrequest2.sql

diff --git a/friendrequest2.sql b/friendrequest2.sql
new file mode 100644
index 0000000..91364b1
--- /dev/null
+++ b/friendrequest2.sql
@@ -0,0 +1,20 @@
+# Write your MySQL query statement below
+WITH CTE AS(SELECT accepter_id        
+FROM 
+    RequestAccepted
+UNION ALL
+SELECT requester_id        
+FROM 
+    RequestAccepted    
+),
+counter_table AS (
+    SELECT accepter_id as id,
+    COUNT(accepter_id) as num
+    FROM CTE
+    GROUP BY accepter_id
+    )
+
+ SELECT id, num 
+ FROM counter_table
+ ORDER BY num DESC
+ LIMIT 1;
\ No newline at end of file

From 3590ff932ae2592549c2113e49aea1903cdff7ac Mon Sep 17 00:00:00 2001
From: Parth Modi <modiparth527@gmail.com>
Date: Sat, 4 Jan 2025 07:57:24 +0100
Subject: [PATCH 2/2] sql4completed

---
 LeagueStatistics1.sql              | 30 ++++++++++++++++++++++++++++++
 SalesPerson.sql                    | 28 ++++++++++++++++++++++++++++
 SeniorsJuniorstoJointhecompany.sql | 16 ++++++++++++++++
 3 files changed, 74 insertions(+)
 create mode 100644 LeagueStatistics1.sql
 create mode 100644 SalesPerson.sql
 create mode 100644 SeniorsJuniorstoJointhecompany.sql

diff --git a/LeagueStatistics1.sql b/LeagueStatistics1.sql
new file mode 100644
index 0000000..7609853
--- /dev/null
+++ b/LeagueStatistics1.sql
@@ -0,0 +1,30 @@
+# Write your MySQL query statement below
+WITH CTE AS (
+    SELECT home_team_id as r1,
+    home_team_goals as goals_home,
+    away_team_goals as goals_away
+    FROM Matches
+    UNION ALL
+    SELECT away_team_id as r1,
+    away_team_goals as goals_home,
+    home_team_goals as goals_away 
+    FROM Matches
+)
+
+SELECT 
+    t.team_name,
+    COUNT(r1) AS matches_played,
+    SUM(CASE
+        WHEN c.goals_home > c.goals_away THEN 3
+        WHEN c.goals_home = c.goals_away THEN 1
+        ELSE 0
+    END) AS points,
+    SUM(c.goals_home) AS goal_for,
+    SUM(c.goals_away) AS goal_against,
+    SUM(c.goals_home) - SUM(c.goals_away) 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, t.team_name;
\ No newline at end of file
diff --git a/SalesPerson.sql b/SalesPerson.sql
new file mode 100644
index 0000000..6edce5a
--- /dev/null
+++ b/SalesPerson.sql
@@ -0,0 +1,28 @@
+# Write your MySQL query statement below
+#-----------------------Using CTE--------------------------------------------------------
+WITH CTE AS(
+    SELECT o.sales_id
+    FROM
+    Orders o
+    LEFT JOIN
+    Company c
+    ON o.com_id = c.com_id
+    WHERE c.name = "RED"
+)
+SELECT s.name
+FROM SalesPerson s
+WHERE s.sales_id NOT IN (SELECT sales_id FROM CTE);
+#-----------------Using Subquery--------------------------------------------------------
+-- SELECT 
+--     s.name as 'name'
+-- FROM
+--     SalesPerson as s 
+--     WHERE s.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"
+--     );
diff --git a/SeniorsJuniorstoJointhecompany.sql b/SeniorsJuniorstoJointhecompany.sql
new file mode 100644
index 0000000..ff09f54
--- /dev/null
+++ b/SeniorsJuniorstoJointhecompany.sql
@@ -0,0 +1,16 @@
+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