Serializable Snapshot Isolation Cursor Stability
Read-write transactions using serialized indexes run with strict-serializability. Read-only transactions and index reads from non-serialized indexes will see snapshot isolation. Clients can upgrade to strict-serializability across all operations.
Relational Key/Value Document / XML Graph
FaunaDB is an indexed document store that allows access to the stored data using multiple models - relational, document, graph and key-value.