<A href="http://www.bleedyellow.com/blogs/iLotusDomino/entry/my_journey_into_domino_8_5_3_and_relational_database_access_from_xpages_now_a_pdf?lang=en" target="_blank">Amy K Hoerle has been working with Domino 8.5.3 and relational database access from XPages</A>. Apparently she was a little too thorough in writing up her findings and ran into a size limit on her post. So - if you'd like all the details, she's posted a PDF.