In a maintenance view user can watch data of multiple tables and also able maintain data across tables. Data is entered via the maintenance view and then distributed to the included tables of that view by the system.
Go to SE11 and put some view name and press create.
Select the Maintenance view option
Here also we can enter multiple tables. In a maintenance view you can only insert tables that are linked to one another with foreign keys.
You can view this tutorial how can we multiple tables.
You add multiple fields as well.
Next navigate to Maint. Status tab.
Here we have to mention how the tables will be updated. Provide the details as per screen.
Now activate the view.
Next go to SE54 and Provide table maintenance generator details.
Activate.
Next go to SM30 transaction and put the view name and press maintain.
Here you can click on the New Entries and insert a new table entry.