Azure SQL Database is a fully managed platform as a service (PaaS) database engine that handles most of the database management functions such as upgrading, patching, backups, and monitoring without user involvement.
The Windows Azure Platform enables businesses to run critical applications with a higher performance-price ratio by running them on the services platforms data centers on a pay-as-you-go basis.
Microsoft Visio is a diagramming, process modeling & data visualization solution which enables communication of complex information through data-linked diagrams.