MySQL/PosgreSQL database connection can be established with script/software hosted only on your web hosting account (meaning no remote access is allowed due to security reasons). The following settings are needed: 

• DB Host : See your MySQL/PostgreSQL Manager section under DB Host column.
• DB Port : 3306(for MySQL) / 5432(for PostgreSQL)
• DB Name : The database name you have assigned, listed inside MySQL/PostgreSQL Manager section of your control panel.
• DB Username : The database username you have assigned, listed inside MySQL/PostgreSQL Manager section of your control panel.
• DB Password : The database password you have assigned.