Azure SQL Managed Instance General Purpose is "a tier of Microsoft's relational database service ... which included the following useful diagram: [Click on image for larger view.] ...

At its re:Invent conference, Amazon’s AWS cloud computing unit today announced Amazon Aurora DSQL, a new serverless, distributed SQL database ... clocks to every EC2 instance and synchronizes ...

Amazon Aurora DSQL is a new serverless, distributed SQL database that enables customers ... patch, or manage database instances, and all updates and security patching happen with no downtime ...