Message of the day:
Welcome to SilverStripe | Current stable: https://goo.gl/C4F1T9 | Dev Mailing List: https://goo.gl/swDwgm | Feature requests: https://goo.gl/EcQ34L | Community Forum: https://forum.silverstripe.org
If you have any SilverStripe related questions, please supply the version of Framework you're using.
Did you flush? 🚽 =
the extra_dataobjects directive is for the manifest to include the test data objects you've defined (which are excluded from normal site operation)... which in turn means they get a table made on dev/build