Microsoft SQL Data Services (SDS) are highly scalable, on-demand data storage and query processing utility services. Built on robust SQL Server technologies and Windows Server, SDS provides highly available, secure, standards based web services that are easy to program and provision.
Live Services is a set of building blocks within the Azure Services platform for handling user data and application resources. Live Services provides developers with an easy on-ramp to build rich social applications and experiences that can connect with over 450 million Windows Live users. Live Services includes Mesh technologies for synchronizing user’s data and extending web applications across multiple devices.
Live Services consists of Identity, Directory, Communication and Presence, Geospatial, Search, and Mesh Services.