From cdbb62bf46a94626099950e5e8046c533e208173 Mon Sep 17 00:00:00 2001
From: Jbanksalpha <78812718+Jbanksalpha@users.noreply.github.com>
Date: Mon, 5 Apr 2021 23:25:57 -0400
Subject: [PATCH] did work on SQL LAB

---
 answers/exercise1.sql | 1 +
 answers/exercise2.sql | 1 +
 answers/exercise3.sql | 1 +
 answers/exercise4.sql | 1 +
 answers/exercise5.sql | 1 +
 5 files changed, 5 insertions(+)

diff --git a/answers/exercise1.sql b/answers/exercise1.sql
index e69de29..c2459b7 100644
--- a/answers/exercise1.sql
+++ b/answers/exercise1.sql
@@ -0,0 +1 @@
+SELECT * FROM Enrolment LEFT JOIN Students ON Enrolment.StudentID = Students.StudentID;
\ No newline at end of file
diff --git a/answers/exercise2.sql b/answers/exercise2.sql
index e69de29..21af126 100644
--- a/answers/exercise2.sql
+++ b/answers/exercise2.sql
@@ -0,0 +1 @@
+SELECT * FROM Enrolment RIGHT JOIN Students ON Enrolment.StudentID = Students.StudentID
\ No newline at end of file
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
index e69de29..8a47df7 100644
--- a/answers/exercise3.sql
+++ b/answers/exercise3.sql
@@ -0,0 +1 @@
+SELECT * FROM Enrolment INNER JOIN Students ON Enrolment.StudentID = Students.StudentID;
\ No newline at end of file
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
index e69de29..c9df488 100644
--- a/answers/exercise4.sql
+++ b/answers/exercise4.sql
@@ -0,0 +1 @@
+SELECT COUNT(StudentID) FROM Students GROUP BY Country;
\ No newline at end of file
diff --git a/answers/exercise5.sql b/answers/exercise5.sql
index e69de29..c9df488 100644
--- a/answers/exercise5.sql
+++ b/answers/exercise5.sql
@@ -0,0 +1 @@
+SELECT COUNT(StudentID) FROM Students GROUP BY Country;
\ No newline at end of file