Database as a Service, a form of Platform as a Service, is currently found in the public marketplace in three broad capabilities.
Database as a Service: A Marketplace Assessment
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Database as a Service (DBaaS), a form of Platform as a Service (PaaS), is currently found in the public marketplace in three broad capabilities—online general relational databases, non-relational databases, and the ability to operate virtual machine images loaded with common open source databases such as MySQL or similar commercial databases. These three approaches provide Government IT leadership with a wide range of capabilities and potential complexities. The analysis is intended for the chief information officer (CIO) and project-level decision makers in Government that are considering employing DBaaS products, but would like greater visibility into product benefits, risks, appropriate usage, and tradeoffs. In this paper we evaluate four public DBaaS offerings, contrasting their features and capabilities. Two of the services, Amazon Relational Database Service (RDS) and Microsoft SQL Azure, offer structured query language (SQL)-compliant database products. The remaining two services, Google Datastore and Amazon SimpleDB, provide NoSQL interfaces, and offer proprietary interfaces for storing data in less complex structures.