what version of sql server does azure use
Microsoft Azure SQL Database Azure SQL Database shares the SQL Server 2016 codebase. It is compatible with SQL Server 2014 and 2016 and most of the features available in SQL Server 2016 are available in Azure SQL Database. A list of incompatibilities[11] is published by Microsoft.
Microsoft SQL Server The current version is Microsoft SQL Server 2016, released June 1, 2016. The RTM version is 13.0.1601.5.
Capability Maturity Model Integration Maturity Level 5 - Optimizing
Microsoft Exchange Server Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft. It runs exclusively on Windows Server operating systems.