/usr/lib/x86_64-linux-gnu/libslurmdb.so is in libslurmdb-dev 14.03.9-5+deb8u2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libslurmdb.so.27.0.0
/usr/lib/x86_64-linux-gnu/libslurmdb.so.27.0.0