Neptune openCypher restrictions - Amazon Neptune
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Neptune openCypher restrictions

The Amazon Neptune release of openCypher still does not support everything that is specified in the Cypher Query Language Reference, Version 9, as is detailed in openCypher standards compliance. Future releases are expected to address many of those limitations.