Log Message:-----------Add note that not all SQL commands support ONLY in the same way.
Modified Files:-------------- pgsql/doc/src/sgml: ddl.sgml (r1.84 -> r1.85) (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ddl.sgml?r1=1.84&r2=1.85)
