Qserv is distributed database service developed for the Large Synoptic Survey Telescope project.
Relational
https://www.lsst.org/about/dm
https://github.com/lsst/qserv
http://www.slac.stanford.edu/exp/lsst/qserv/
SLAC National Accelerator Laboratory
US
2011
Academic, Open Source
C++
MySQL