[1] Amazon Neptune supports popular graph models property graph and W3C's RDF, and their respective query languages Apache TinkerPop's Gremlin,[2] openCypher,[3] and SPARQL,[4] including other Amazon Web Services products.
[7] On December 12, 2018, it was announced that Amazon Neptune was in-scope for Payment Card Industry Data Security Standard, and ISO compliance programs.
These sizes of these volumes are dynamic, they increase depending how much data is stored in the database, with a maximum of 64 TB.
The Amazon Neptune SLA policy is designed to offer a monthly uptime percentage greater that of 99.9%, increasing database performance and availability by integrating the engine with a virtual storage based on SSD drives, that are specially made for database workloads.
In case of failures, Neptune automatically detects any failed segments in a disk volume and repairs them.
[28] On September 12, 2018, it was announced that Neptune achieved HIPAA eligibility[7] enabling it to process data sets containing protected health information (PHI).
[8] The user can use Amazon Neptune in applications that are subject to PCI compliance or require ISO certification.