I don't think you are following me.
your table has the following columns:
This is not sufficient, you need to add another column:
On the content insert page, you will have a form element to specify the title, page and content.
you will use the DataAssist insert record behavior to store the entered data into the database.
You are correct that PowerCMS will not create new pages, using DataAssist to create a custom CMS solution will not give you this functionality either.
you will need to hand code the PHP that will create the new pages, this is not a function available in DataAssist or any of the other web assist tools.