/usr/share/dbconfig-common/ is in tt-rss 15.7+git20151123+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/dbconfig-common/data/
/usr/share/dbconfig-common/data/tt-rss/
/usr/share/dbconfig-common/data/tt-rss/install/
/usr/share/dbconfig-common/data/tt-rss/install/mysql
/usr/share/dbconfig-common/data/tt-rss/install/pgsql
/usr/share/dbconfig-common/data/tt-rss/upgrade/
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.10
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.12
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.13
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.4.2
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.5.0
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.5.10
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.5.11
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.5.2
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.5.3
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.5.6
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.5.9
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.6.0
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.6.1
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.6.2
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.7.0
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.7.1
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.7.3
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.7.5
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.7.6
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.7.9
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/1.8
/usr/share/dbconfig-common/data/tt-rss/upgrade/mysql/15.7+git20151123
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.10
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.12
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.13
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.4.2
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.5.0
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.5.10
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.5.11
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.5.2
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.5.3
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.5.6
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.5.9
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.6.0
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.6.1
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.6.2
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.7.0
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.7.1
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.7.3
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.7.5
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.7.6
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.7.9
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/1.8
/usr/share/dbconfig-common/data/tt-rss/upgrade/pgsql/15.7+git20151123