Creating a new database in Odoo 13 is straightforward. You log out or go to the database selector page, click Select, and then click Manage Databases. From there, click Create Database, provide a name without spaces and credentials, and click Continue to log in with the new database.
2. ●Creating a new database is quite simple in Odoo.For that you can
directly go to the window show here,by logging out or typing
localhost:portnumber/web/databaseselector in the search bar .
Click on the select button
3. You will be redirected to a wizard like this .Click on the Manage
databases .You can also use any other existing database.
4. Click on the Create Database button to create one .
5. ●Provide a suitable name for the database,email and password
.Spaces in between the database is not allowed .
●Click Continue after fiiling the details .
6. After that you can login with credentials created earlier by
clicking on Log in