SQL to find the navigation to a Component

SELECT LEVEL0.PORTAL_LABEL || ' > ' || LEVEL1.PORTAL_LABEL || ' > '  || LEVEL2.PORTAL_LABEL || ' > '  ||  level3.PORTAL_LABEL PATH_TO_COMPONENT
FROM PSPRSMDEFN level3
, PSPRSMDEFN level2
, PSPRSMDEFN level1
, PSPRSMDEFN LEVEL0
WHERE level3.PORTAL_URI_SEG2 = 'JOB_DATA'
AND level3.PORTAL_PRNTOBJNAME = level2.PORTAL_OBJNAME
AND level2.PORTAL_PRNTOBJNAME = level1.PORTAL_OBJNAME
AND level1.PORTAL_PRNTOBJNAME = LEVEL0.PORTAL_OBJNAME
AND level3.PORTAL_NAME = level2.PORTAL_NAME
AND level2.PORTAL_NAME = level1.PORTAL_NAME
AND level1.PORTAL_NAME = LEVEL0.PORTAL_NAME