From 4fad219f77198a66fc485d2e98e3881e3ae633d5 Mon Sep 17 00:00:00 2001
From: RISHIKA29 <rishikareddy2003@gmail.com>
Date: Sun, 6 Jul 2025 18:40:38 -0500
Subject: [PATCH] Done Sql1

---
 Problem 1.sql |  1 +
 Problem 2.sql | 11 +++++++++++
 Problem 3.sql |  2 ++
 3 files changed, 14 insertions(+)
 create mode 100644 Problem 1.sql
 create mode 100644 Problem 2.sql
 create mode 100644 Problem 3.sql

diff --git a/Problem 1.sql b/Problem 1.sql
new file mode 100644
index 0000000..4168e0a
--- /dev/null
+++ b/Problem 1.sql	
@@ -0,0 +1 @@
+SELECT name, population, area FROM World WHERE area>=3000000 OR population>=25000000
diff --git a/Problem 2.sql b/Problem 2.sql
new file mode 100644
index 0000000..5defc4f
--- /dev/null
+++ b/Problem 2.sql	
@@ -0,0 +1,11 @@
+CREATE FUNCTION getNthHighestSalary(N INT) RETURNS INT
+BEGIN
+    DECLARE M INT;
+    SET M = N-1;
+  RETURN (
+      # Write your MySQL query statement below.
+      
+      SELECT DISTINCT salary  as 'getNthHighestSalary(N)' FROM Employee ORDER BY salary DESC LIMIT M, 1
+
+  );
+END
\ No newline at end of file
diff --git a/Problem 3.sql b/Problem 3.sql
new file mode 100644
index 0000000..84a3659
--- /dev/null
+++ b/Problem 3.sql	
@@ -0,0 +1,2 @@
+# Write your MySQL query statement below
+DELETE p1 FROM Person p1, Person p2 WHERE p1.id>p2.id AND p1.email=p2.email
\ No newline at end of file