rather than using SQL commands to manage your database, it would be easier to use a GUI application such as Sequal Pro for the mac of SQLYog
PowerCMS DOES have the option to save content to what ever page you like.
Just like I was describing earlier, when you create content, you specify the Page, and region the content is for.
Once you have created the content, PowerCMS generates the php code needed to display the content in the desired page, you just need to copy the code, and past it it your page where the content should be displayed.