. Define CRUD.
An acrnym for Create, Read, Update, Delete, refering to database operations.
. There are seven verb + path combinations that are necessary in a basic Sinatra app in order to provide full CRUD functionality. List each of the seven combinations, and explain what each is for.
-DELETE '/items/:id' -- used to delete a specific row from the database.
-PUT '/items/:id' -- used to update a row in the database.
-GET '/items/:id/edit' -- looks up the item to be updated.