How to install Odoo 13 to get started as developer - Odoo Tutorial 2

- How to select the database when start odoo - How to create database from command line or manually from interface - How to open the odoo in different port - How to start odoo with demo data and without demo data - What is use of demo data in odoo - How to filter the database in odoo from command line - Use of - - db-filter, -d and --xmlrpc-port in odoo