Once the site is built and listed on your "Sites" screen. You can manipulate the site using various in-built tools.
We bundle "Adminer" sql management script with each InstaWP site for quick and easy database editing experience. To access the editor, click on the toolbar:
A new tab should open with the Database editor:
To learn more about Adminer, watch this video.
Similar to the Database Editor, Code Editor is also a click away. It supports multi-tab editing experience right off the bat.
It will open a fully-featured code editor in a new tab.