Microsoft SQL Server team has announced that SQL Server 2016 will be available on June 1, 2016. SQL Server 2016 comes with end-to-end data management including best way of managing business intelligence on our data on any device.
If you need to have a quick look on What's New, get this PDF.
If you need to know why you should go for Microsoft SQL Server, refer below images;
Gartner Magic Quadrant for Operational Database Management System
Gartner Magic Quadrant for Data Warehouse and Data Management Solutions for Analytics
Gartner Magic Quadrant for Advanced Analytics Platform.