I am using odoo 11 enterprise edition and I use two databases. Each time a visitor uses our website he can choose to use any database
Is there any method to choose the default database?
You can add db_name = your database name
to config file.
or,
You can add -d your_database_name
to your command which starts up odoo server.
When multiple database available, you can limit database list to certain regex expression using db_filter
in config file.
For more detailed information, follow the official documentation Odoo deployment.