I just came across the issue of building up a SQL Server 2005 on a standalone copy of Win2003 and then joining the box to a domain later if there will be any issues. A quick google search turns up ...

How will SQL Database Edge connect back to Azure/on-premises? Azure SQL Database Edge has a streaming engine which is built on top of Azure Stream Analytics.

We are a NoSQL database, but we have a full functioning SQL.” Not having to move data to different databases can enable robust functionality for many enterprises.

Microsoft recently published a new version of its service-level agreement (SLA) for Azure SQL Database, adding uptime perks for organizations that use the 'Business Critical' tier.