Thank you Michael,
Please see the messages:
~$ DELETE FROM old_issues WHERE issue_id IN (1539, 1540, 1541);
/bash: syntax error near unexpected token `('/
and
~$ DELETE FROM old_issues WHERE issue_id=1539;
/DELETE: command not found/
--
Sent from: http://koha.1045719.n5.nabble.com/Koha-general-f3047918.html