--Trace flag 8605 < Initial query tree
--Trace flag 8606 < Additional LogOp trees
--Trace flag 8607 < Optimizer output tree
--Trace flag 8608 < Input tree copied into memo
--Trace flag 8609 < Operation counts
--Trace flag 8612 < Extra LogOp info
--Trace flag 8615 < Final memo
--Trace flag 8619 < Applied transformation rules
--Trace flag 8675 < Optimization phases and timing

SELECT TOP 1 (1)
FROM (
	SELECT TOP (9223372036854775807) 1 AS yourmom
	FROM JRO_OUTER o
	WHERE NOT EXISTS
	(
	    SELECT 1
	    FROM JRO_INNER i
	    WHERE i.ID = o.ID
	)
) AS x