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Database as a Service offerings becoming popular?
First of all there are a couple of options how the cloud can be used in context of database systems:
- Extending storage: the DBMS still runs on the own server, but storage capacities are mounted from the cloud.
- Hosted DBMS: the DBMS is hosted on a cloud platform, while the user is still responsible for its maintenance. The platform exposes the DBMS-specific API, so that an application connects to the remote DBMS on the platform and configuration and provisioning tasks are performed via a web console.
For example, most of the leading database vendors provide specific configurations of their systems on the Amazon Web Service Marketplace for installation on Amazon EC2.
- Database as a Service (DBaaS): some cloud platforms offer web services to store, query and retrieve data. The supported data models vary between the platforms but include relational as well as NoSQL types.
The underlying database technology is completely transparent to the user. Some platforms may utilize a standard DBMS, others support the service with proprietary applications. The only relevant aspect for the user is the definition of the API and - of course - the capability of the platform.
Database as a Service offerings:
From a DB-Engines point of view, we perceive the DBaaS offerings as autonomous systems and therefore include them in our popularity ranking. The October ranking contains the following database services:
|DBaaS||Overall Rank||Popularity Score|
|Microsoft Azure SQL Database||28||15.57|
|Microsoft Azure DocumentDB||110||0.65|
|Google Cloud Datastore||117||0.52|
It is no surprise that the overall popularity score of DBaaS is far behind their 'physical' counterparts. However, a look at the popularity scores of the previous quarters reveals a slight but continuous trend towards the usage of DBaaS:
|DBaaS: % of overall popularity score|
We will have an eye on whether that trend continues in the future.
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