ZipCodeCore · charlottebeale · Dec 9, 2019
diff --git a/.idea/.gitignore b/.idea/.gitignore
diff --git a/.idea/SQL.LetsGetTogether.iml b/.idea/SQL.LetsGetTogether.iml
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/.idea/modules.xml b/.idea/modules.xml
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
diff --git 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
@@ -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
@@ -0,0 +1 @@
+SELECT * FROM Enrolments RIGHT JOIN Students ON Enrolments.StudentID = Students.StudentID;
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
@@ -0,0 +1 @@
+SELECT Country COUNT(*) AS  Num_Students FROM Students GROUP BY Country;
diff --git 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;
diff --git 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;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		SELECT * FROM Enrolments.SudentID LEFT JOIN Students.StudentID WHERE Enrolments.SudentID = Students.StudentID;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		SELECT * FROM Enrolments.StudentID LEFT JOIN Students.StudentID ON Enrolments.StudentID = Students.StudentID;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		SELECT * FROM Enrolments RIGHT JOIN Students ON Enrolments.StudentID = Students.StudentID;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		SELECT Country COUNT(*) AS Num_Students FROM Students GROUP BY Country;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		SELECT Country COUNT()AS num_Students FROM Students GROUP BY Country ORDER BY COUNT() DESC WHERE COUNT (*) > 10;