From e4a20128f80f4015db1b733f3153c74d40b3e2a9 Mon Sep 17 00:00:00 2001
From: Zach <zach@zipcodes-MacBook-Pro-6.local>
Date: Thu, 29 Jul 2021 22:01:12 -0400
Subject: [PATCH] completed queries

---
 .DS_Store             | Bin 0 -> 6148 bytes
 answers/exercise1.sql |   1 +
 answers/exercise2.sql |   1 +
 answers/exercise3.sql |   1 +
 answers/exercise4.sql |   1 +
 answers/exercise5.sql |   1 +
 answers/exercise6.sql |   1 +
 7 files changed, 6 insertions(+)
 create mode 100644 .DS_Store

diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..5cd69bdb4230f4b9c5593731909733adc84f8567
GIT binary patch
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diff --git a/answers/exercise1.sql b/answers/exercise1.sql
index e69de29..e0c3782 100644
--- a/answers/exercise1.sql
+++ b/answers/exercise1.sql
@@ -0,0 +1 @@
+SELECT * FROM Enrolments LEFT JOIN Students ON Enrolments.id = Students.id;
\ No newline at end of file
diff --git a/answers/exercise2.sql b/answers/exercise2.sql
index e69de29..61f3099 100644
--- a/answers/exercise2.sql
+++ b/answers/exercise2.sql
@@ -0,0 +1 @@
+SELECT * FROM Enrolments INNER JOIN Students ON Enrolments.StudentID = Students.StudentID;
\ No newline at end of file
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
index e69de29..a7baea1 100644
--- a/answers/exercise3.sql
+++ b/answers/exercise3.sql
@@ -0,0 +1 @@
+SELECT * FROM Enrolments RIGHT JOIN Students ON Enrolments.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..905f4d3 100644
--- a/answers/exercise5.sql
+++ b/answers/exercise5.sql
@@ -0,0 +1 @@
+SELECT COUNT(StudentID) FROM Students GROUP BY Country ORDER BY COUNT(StudentID) ASC;
\ No newline at end of file
diff --git a/answers/exercise6.sql b/answers/exercise6.sql
index e69de29..90bb8ac 100644
--- a/answers/exercise6.sql
+++ b/answers/exercise6.sql
@@ -0,0 +1 @@
+SELECT COUNT(StudentID) FROM Students GROUP BY Country ORDER BY COUNT(StudentID) >10 ASC;
\ No newline at end of file