AWS has 8 purpose-built databases - relational, key value, document, in-memory, graph - plus two new ones: time series #AmazonTimestream and ledger #AmazonQLDB.
~ via @Werner's keynote at #reinvent
I was concerned about reading ledger and centralised in the same sentence...but I have to say that I had a really interesting conversation with the #aws#blockchain team at the #AWSreInvent2018, and there are valid use cases for their #ledger base database #AmazonQLDB