diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..5c98b42
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,2 @@
+# Default ignored files
+/workspace.xml
\ No newline at end of file
diff --git a/.idea/SQL.LetsGetTogether.iml b/.idea/SQL.LetsGetTogether.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/SQL.LetsGetTogether.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..28a804d
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..a731dc1
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/SQL.LetsGetTogether.iml" filepath="$PROJECT_DIR$/.idea/SQL.LetsGetTogether.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/answers/exercise1.sql b/answers/exercise1.sql
index e69de29..ee5d389 100644
--- a/answers/exercise1.sql
+++ b/answers/exercise1.sql
@@ -0,0 +1 @@
+SELECT * FROM Enrolments.SudentID LEFT JOIN Students.StudentID WHERE Enrolments.SudentID = Students.StudentID;
diff --git a/answers/exercise2.sql b/answers/exercise2.sql
index e69de29..db6fa3b 100644
--- a/answers/exercise2.sql
+++ b/answers/exercise2.sql
@@ -0,0 +1 @@
+SELECT * FROM Enrolments.StudentID LEFT JOIN Students.StudentID ON Enrolments.StudentID = Students.StudentID;
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
index e69de29..b934f8c 100644
--- a/answers/exercise3.sql
+++ b/answers/exercise3.sql
@@ -0,0 +1 @@
+SELECT * FROM Enrolments RIGHT JOIN Students ON Enrolments.StudentID = Students.StudentID;
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
index e69de29..754f0db 100644
--- a/answers/exercise4.sql
+++ b/answers/exercise4.sql
@@ -0,0 +1 @@
+SELECT Country COUNT(*) AS  Num_Students FROM Students GROUP BY Country;
\ No newline at end of file
diff --git a/answers/exercise5.sql b/answers/exercise5.sql
index e69de29..17e04db 100644
--- a/answers/exercise5.sql
+++ b/answers/exercise5.sql
@@ -0,0 +1 @@
+SELECT Country  COUNT(*) AS  Num_Students FROM Students GROUP BY Country HAVING COUNT(*) DESC;
\ No newline at end of file
diff --git a/answers/exercise6.sql b/answers/exercise6.sql
index e69de29..805104f 100644
--- a/answers/exercise6.sql
+++ b/answers/exercise6.sql
@@ -0,0 +1 @@
+SELECT Country COUNT(*)AS num_Students FROM Students GROUP BY Country ORDER BY COUNT(*) DESC WHERE COUNT (*) > 10;
\ No newline at end of file