You´ve been very helpful for me. Solved after downloading pgbench tools from github https://github.com/gregs1104/pgbench-tools, it seems like I was using an old version of pgbench-tools. Thanks for your help! -- View this message in context: http://postgresql.nabble.com/trying-to-run-pgbench-tools-postgresql-ubuntu-ERROR-relation-branches-does-not-exist-tp5832477p5832629.html Sent from the PostgreSQL - performance mailing list archive at Nabble.com. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance