getting MySQL error 1064 but very (absurdly) simple query in MySQLWorkbench
\G is a delimiter exclusive to the mysql client 

I personally do not use MySQL Workbench, but many others have done the following


Mar 12, 2010 : How to get a table creation script in MySQL Workbench?
Mar 28, 2012 : \G like vertical output in MySQL Workbench for show engine innodb status


But here is the Blog for MySQL Workbench Team ( MySQL Workbench: Vertical Query Output )

Give Them a Try !!!