According to build_notes.txt, the software artifact associated with this paper
was "Given benefit of doubt since the code is a part of a larger, widely-used
system."

It does not seem to be known if the software artifact can actually be acquired
and built.

Regarding this review, I received the following URL from Andy Pavlo, where he
says that the software is available:

http://hstore.cs.brown.edu/documentation/deployment/automatic-database-designer