1Click 'Open database(s)' toolbar button:
In the opened dialog 2specify database connectivity options and 3click 'OK':
4wait a bit for a progress:
5click 'Batch data diff' toolbar button:
In the opened Batch data diff tab choose 6calculation type, 7whether you want to process tables or views of both and 8click 'Run':
Wait for a progress and you'll get then result:
Then you can 9apply filter to show only tables/views with changed data: