db_annotate is a database analysis tools. See a sample output
Debian packages requirements: aptitude install graphviz python3-{psycopg2,pygments,sqlalchemy}
Download Pygal (https://github.com/Kozea/pygal.git)
Run: Eventually use the PYTHONPATH variable to use Pygal:
$ export PYTHONPATH=/path/to/pygal/
Then run the script:
$ ./bin/db_annotate mysql://username:password@host/database
or
$ ./bin/db_annotate postgresql://username:password@host/database
The output will be available in the db_annotate/ directory under the current working directory.