There’s good news from the IBM lab: IBM dashDB for Transactions now offers high availability plans, and offers “pay per use” plans that are billed by-the-day.
DB2 has several new Cloud offerings. With DB2, you can get support for OLTP or Analytics. The database can be hosted or fully managed. This presentation by Kelly Schlamb at the 2015 IDUG Tech Conference in Australia details the three products, their differences and the use cases for each.