sql queries for SQL-174 issue

sql-queries-11/remove-first-and-last-character/egde_case_length.sql

@@ -0,0 +1,5 @@
+SELECT id, name, CASE
+    WHEN LENGTH(name) > 13
+    THEN SUBSTRING(name, 2, LENGTH(name) - 2)
+    ELSE name
+END AS new_name, LENGTH(name) AS name_length FROM Course ORDER BY name_length;

sql-queries-11/remove-first-and-last-character/egde_case_specific_chars.sql

@@ -0,0 +1,5 @@
+SELECT CASE
+    WHEN LEFT(name, 1) = 'M' AND RIGHT(name, 1) = 'I'
+    THEN SUBSTRING(name, 2, LENGTH(name) - 2)
+    ELSE name
+END AS new_name FROM Course;

sql-queries-11/remove-first-and-last-character/left_right_combined.sql

@@ -0,0 +1,3 @@
+SELECT id, name, LEFT(RIGHT(name, LENGTH(name) - 1), LENGTH(name) - 2) as new_name FROM Course;
+
+SELECT id, name, RIGHT(LEFT(name, LENGTH(name) - 1), LENGTH(name) - 2) as new_name FROM Course;

sql-queries-11/remove-first-and-last-character/remove_characters_substring.sql

@@ -0,0 +1,6 @@
+SELECT id, SUBSTRING(name, 2, LENGTH(name) - 2) AS new_name FROM Course;
+
+SELECT id, name, SUBSTRING(name, 2, LENGTH(name) - 2) AS new_name FROM Course;
+
+-- SQL Server --
+SELECT id, SUBSTRING(name, 2, LEN(name) - 2) AS new_name FROM Course;