Notice: Undefined variable: db in G:\webserver\www\vcampus.co\tv\column_home_one.php on line 3
Fatal error: Uncaught Error: Call to a member function query() on null in G:\webserver\www\vcampus.co\tv\column_home_one.php:3
Stack trace:
#0 {main}
thrown in G:\webserver\www\vcampus.co\tv\column_home_one.php on line 3