Is it possible to test with jubula testing tool correspondence between user interface and data that is stored in database? For example I want to be sure that every field shows information is is intended to show.
If that scenario is not possible could you advice any other testing tool or workaround to do it on jubula (may be some 3rd party plugins)?
It is not possible to access a DB from Jubula tests out of the box. However there are a few possibilities which need some work from you:
Points 1 and 2 are covered in the Jubula documentation.