pgsql=# -- Multiline comments
pgsql=# SELECT 'Multi' /* This comment extends across
pgsql*# * numberous lines, and can be
pgsql*# * /*nested safely */
pgsql*# Can you understand
pgsql*# * Now the end*/
pgsql-# || '-test' AS example;
example
------------
Multi-test
(1 row) pgsql=#