This feature is now released in the stable channel of Bonobo.
Bonobo-SQLAlchemy is a lightweight bridge package that adds SQL databases related capabilities to Bonobo, using the well-known, stable and battle-tested SQLAlchemy database library.
To use it, you just need to install the sqlalchemy extra:
Go ahead and read the documentation.
Did I say we need feedback? Slack discussions and issues are more than welcome!