dblink 2011/10/17 2016/8/19 PostgreSQL yum install postgresql-contrib psql -d db_name < /usr/share/pgsql/contrib/dblink.sql psql db_name < db_dump_file 12345 yum install postgresql-contrib psql -d db_name < /usr/share/pgsql/contrib/dblink.sql psql db_name < db_dump_file