1. Consider college application database, write the following queries to return the following application info: sID, cName, state, and major. Using Join Operators, submit the following SQL queries:

a. Include colleges that do not receive any applications

b. Include applications that do not match any colleges

2. List pairs of students who have the same GPA, without self pairings or reverse pairings

Here is the schema:

/* Creating the schema */DROP DATABASE IF EXISTS social_network;CREATE DATABASE social_network;USE social_network;/* Delete the tables if they already exist */drop table if exists Highschooler;drop table if exists Friend;drop table if exists Likes;/* Create the schema for our tables */create table Highschooler(ID int, name text, grade int);create table Friend(ID1 int, ID2 int);create table Likes(ID1 int, ID2 int);/* Populate the tables with our data */insert into Highschooler values (1510, 'Jordan', 9);insert into Highschooler values (1689, 'Gabriel', 9);insert into Highschooler values (1381, 'Tiffany', 9);insert into Highschooler values (1709, 'Cassandra', 9);insert into Highschooler values (1101, 'Haley', 10);insert into Highschooler values (1782, 'Andrew', 10);insert into Highschooler values (1468, 'Kris', 10);insert into Highschooler values (1641, 'Brittany', 10);insert into Highschooler values (1247, 'Alexis', 11);insert into Highschooler values (1316, 'Austin', 11);insert into Highschooler values (1911, 'Gabriel', 11);insert into Highschooler values (1501, 'Jessica', 11);insert into Highschooler values (1304, 'Jordan', 12);insert into Highschooler values (1025, 'John', 12);insert into Highschooler values (1934, 'Kyle', 12);insert into Highschooler values (1661, 'Logan', 12);insert into Friend values (1510, 1381);insert into Friend values (1510, 1689);insert into Friend values (1689, 1709);insert into Friend values (1381, 1247);insert into Friend values (1709, 1247);insert into Friend values (1689, 1782);insert into Friend values (1782, 1468);insert into Friend values (1782, 1316);insert into Friend values (1782, 1304);insert into Friend values (1468, 1101);insert into Friend values (1468, 1641);insert into Friend values (1101, 1641);insert into Friend values (1247, 1911);insert into Friend values (1247, 1501);insert into Friend values (1911, 1501);insert into Friend values (1501, 1934);insert into Friend values (1316, 1934);insert into Friend values (1934, 1304);insert into Friend values (1304, 1661);insert into Friend values (1661, 1025);insert into Friend select ID2, ID1 from Friend;insert into Likes values(1689, 1709);insert into Likes values(1709, 1689);insert into Likes values(1782, 1709);insert into Likes values(1911, 1247);

insert into Likes values(1247, 1468);insert into Likes values(1641, 1468);insert into Likes values(1316, 1304);insert into Likes values(1501, 1934);insert into Likes values(1934, 1501);insert into Likes values(1025, 1101);