Drag And Drop your files into your resources folder. Once you have done that go to your server.cfg and type start then the file name! Once that is complete , restart your server and have fun!
HeidiSQL is free software, and has the aim to be easy to learn. "Heidi" lets you see and edit data and structures from computers running one of the database systems MariaDB, MySQL, Microsoft SQL, PostgreSQL and SQLite . To use it make sure your SQL file has the correct database and your server has the correct connection string , you can check this on the server.cfg.
This means you have not either connected the string together to the database via heidisql and server.cfg. To make sure you installed the sql correctly , go to the database make sure