This app is accompanied by a tutorial. See also the
This app supports the following operations:
For playing with the app, you may first want to and then view it with .
object type ("books") for which it supports the four standard data management operations
It extends the minimal app (Part 1) by adding constraint validation (and some CSS styling),
but it needs to be enhanced by adding further important parts of the app's overall functionality:
Part 3: Managing unidirectional associations between object types.
Part 4: Managing bidirectional associations between object types.
Part 5: Handling subtype (inheritance) relationships between object types.
You may also want to take a look at our Minimal App,
without CSS styling and without validation.