How does the library work?

[virajpwr]

import rdflib as _rdf
import sqlalchemy as _sqla

db_str = 'postgresql://testuser:testpasswd@localhost/testdb'
db = _sqla.create_engine(db_str)
graph = _rdf.Graph('rdb2rdf_dm')
graph.open(db)

print(graph.serialize(format='nt'))

How does this code work?

[ChrisDelClea]

+1