Update insert-select-example.sql

Author: Deepak-Vohra

sql-queries-11/duplicate-insert-row-same-table-with-auto-increment/insert-select-example.sql

@@ -1,4 +1,4 @@
-INSERT INTO department_copy (name,code) 
-SELECT name,code 
+INSERT INTO department_copy (name, code) 
+SELECT name, code 
 FROM department_copy 
 WHERE id = 1;