jena-sdb/testing/Optionals1/opt-coalesce-1.rq - jena - Git at Google

 # Multiple optionals.
 PREFIX : <http://example/>

 SELECT *
 {
     ?x :p ?z .
     OPTIONAL { ?z :q1 ?a }
     OPTIONAL { ?z :q2 ?a }
 }
	# Multiple optionals.
	PREFIX : <http://example/>

	SELECT *
	{
	?x :p ?z .
	OPTIONAL { ?z :q1 ?a }
	OPTIONAL { ?z :q2 ?a }
	}