Not sure i would say Spanner is the only database that can do this... first of all, this new thing from AWS can't do what spanner can do and second, there are f

Not sure i would say Spanner is the only database that can do this... first of all, this new thing from AWS can't do what spanner can do and second, there are few that can deliver distributed transactions in addition to Spanner, such as CockroachDB (ex-emplyer), Yagbyte and TiDB.