Even smaller: uLisp for Microcontrollers - http://www.ulisp.com/
Discloure: I am a DBA. And a Lisp addict.
The database tutorial: https://software-lab.de/doc/tut.html#db
EDIT: This not supposed to be a reply.
I stick with that is available in centos+EPEL, which includes sbcl, and use ODBC for most of my work.
The common tooling for open source databases is varied. A lot of what makes mariadb and postgresql happen is c, shell scripts and perl. A lot of 3rd party tools are still php.
pgloader is a common lisp tool, and very useful.
Both look like a lot of fun.