diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..c57d089
Binary files /dev/null and b/.DS_Store differ
diff --git a/answers/exercise1.sql b/answers/exercise1.sql
index e69de29..5fadf54 100644
--- a/answers/exercise1.sql
+++ b/answers/exercise1.sql
@@ -0,0 +1,4 @@
+SELECT *
+FROM Enrollments
+LEFT JOIN Students
+ON Enrollments.StudentID = Students.StudentID;
\ No newline at end of file
diff --git a/answers/exercise2.sql b/answers/exercise2.sql
index e69de29..01125c6 100644
--- a/answers/exercise2.sql
+++ b/answers/exercise2.sql
@@ -0,0 +1,4 @@
+SELECT *
+FROM Enrollments
+INNER JOIN Students
+ON Enrollments.StudentID = Students.StudentID;
\ No newline at end of file
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
index e69de29..72184e1 100644
--- a/answers/exercise3.sql
+++ b/answers/exercise3.sql
@@ -0,0 +1,4 @@
+SELECT *
+FROM Enrollments
+RIGHT JOIN Students
+ON Enrollments.StudentID = Students.StudentID;
\ No newline at end of file
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
index e69de29..86e8de9 100644
--- a/answers/exercise4.sql
+++ b/answers/exercise4.sql
@@ -0,0 +1,3 @@
+SELECT COUNT(*), Country
+FROM Students
+GROUP BY Country;
\ No newline at end of file
diff --git a/answers/exercise5.sql b/answers/exercise5.sql
index e69de29..28a7ff4 100644
--- a/answers/exercise5.sql
+++ b/answers/exercise5.sql
@@ -0,0 +1,4 @@
+SELECT COUNT(*), Country
+FROM Students
+GROUP BY Country
+ORDER BY COUNT(*) DESC;
\ No newline at end of file
diff --git a/answers/exercise6.sql b/answers/exercise6.sql
index e69de29..2e0616f 100644
--- a/answers/exercise6.sql
+++ b/answers/exercise6.sql
@@ -0,0 +1,5 @@
+SELECT COUNT(*), Country
+FROM Students
+GROUP BY Country
+HAVING COUNT(*) > 10
+ORDER BY COUNT(*);
\ No newline at end of file