Google now makes its unique database service [link url=https://www.wired.com/2017/02/spanner-google-database-harnessed-time-now-open-everyone/ target=_blank]Cloud Spanner[/link] available to the general public. As one of the globally leading database systems, is already underpins 2,000 Google services such as Gmail or Adwords. Access to the cloud is charged according to use. Cloud Spanner effectively facilitates ACID transaction in real time and it supports horizontal scaling and SQL semantics. The database processes data with a latency of less than 10 milliseconds.