/usr/share/dbconfig-common/ is in dbconfig-common 1.8.47+nmu1+deb7u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/dbconfig-common/data/
/usr/share/dbconfig-common/dpkg/
/usr/share/dbconfig-common/dpkg/common
/usr/share/dbconfig-common/dpkg/config
/usr/share/dbconfig-common/dpkg/config.mysql
/usr/share/dbconfig-common/dpkg/config.pgsql
/usr/share/dbconfig-common/dpkg/config.sqlite
/usr/share/dbconfig-common/dpkg/config.sqlite3
/usr/share/dbconfig-common/dpkg/frontend.config
/usr/share/dbconfig-common/dpkg/frontend.config.mysql
/usr/share/dbconfig-common/dpkg/frontend.config.pgsql
/usr/share/dbconfig-common/dpkg/frontend.postinst
/usr/share/dbconfig-common/dpkg/frontend.postinst.mysql
/usr/share/dbconfig-common/dpkg/frontend.postinst.pgsql
/usr/share/dbconfig-common/dpkg/frontend.postrm
/usr/share/dbconfig-common/dpkg/frontend.postrm.mysql
/usr/share/dbconfig-common/dpkg/frontend.postrm.pgsql
/usr/share/dbconfig-common/dpkg/frontend.preinst
/usr/share/dbconfig-common/dpkg/frontend.preinst.mysql
/usr/share/dbconfig-common/dpkg/frontend.preinst.pgsql
/usr/share/dbconfig-common/dpkg/frontend.prerm
/usr/share/dbconfig-common/dpkg/frontend.prerm.mysql
/usr/share/dbconfig-common/dpkg/frontend.prerm.pgsql
/usr/share/dbconfig-common/dpkg/postinst
/usr/share/dbconfig-common/dpkg/postinst.mysql
/usr/share/dbconfig-common/dpkg/postinst.pgsql
/usr/share/dbconfig-common/dpkg/postinst.sqlite
/usr/share/dbconfig-common/dpkg/postinst.sqlite3
/usr/share/dbconfig-common/dpkg/postrm
/usr/share/dbconfig-common/dpkg/postrm.mysql
/usr/share/dbconfig-common/dpkg/postrm.pgsql
/usr/share/dbconfig-common/dpkg/postrm.sqlite
/usr/share/dbconfig-common/dpkg/postrm.sqlite3
/usr/share/dbconfig-common/dpkg/preinst
/usr/share/dbconfig-common/dpkg/preinst.mysql
/usr/share/dbconfig-common/dpkg/preinst.pgsql
/usr/share/dbconfig-common/dpkg/preinst.sqlite
/usr/share/dbconfig-common/dpkg/preinst.sqlite3
/usr/share/dbconfig-common/dpkg/prerm
/usr/share/dbconfig-common/dpkg/prerm.mysql
/usr/share/dbconfig-common/dpkg/prerm.pgsql
/usr/share/dbconfig-common/dpkg/prerm.sqlite
/usr/share/dbconfig-common/dpkg/prerm.sqlite3
/usr/share/dbconfig-common/internal/
/usr/share/dbconfig-common/internal/common
/usr/share/dbconfig-common/internal/mysql
/usr/share/dbconfig-common/internal/pgsql
/usr/share/dbconfig-common/internal/sqlite