From 37729137a32207fa9a0050491c37334a00cfef4d Mon Sep 17 00:00:00 2001 From: Charlotte Beale Date: Mon, 9 Dec 2019 15:51:40 -0500 Subject: [PATCH] Complete --- .idea/.gitignore | 2 ++ .idea/SQL.LetsGetTogether.iml | 9 +++++++++ .idea/misc.xml | 6 ++++++ .idea/modules.xml | 8 ++++++++ .idea/vcs.xml | 6 ++++++ answers/exercise1.sql | 1 + answers/exercise2.sql | 1 + answers/exercise3.sql | 1 + answers/exercise4.sql | 1 + answers/exercise5.sql | 1 + answers/exercise6.sql | 1 + 11 files changed, 37 insertions(+) create mode 100644 .idea/.gitignore create mode 100644 .idea/SQL.LetsGetTogether.iml create mode 100644 .idea/misc.xml create mode 100644 .idea/modules.xml create mode 100644 .idea/vcs.xml 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 @@ + + + + + + + + + \ 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 @@ + + + + + \ 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 @@ + + + + + + + + \ 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 @@ + + + + + + \ 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