Microsoft SQL Azure extends SQL Server capabilities to the cloud. SQL Azure offers a relational database service called Microsoft SQL Azure Database. Using SQL Azure, you can easily provision and deploy relational database solutions. Benefits include manageability, high availability, scalability, a familiar development model, and a relational data model. Additional SQL Azure services are planned.
SQL Azure Database is the relational database service on the Windows Azure Platform. For more about the Windows Azure Platform, see What is the Windows Azure Platform.