Is there any difference between the Web Edition and Business Edition of Azure SQL Database other than the maximum supported database sizes? I\'m assuming the naming has some
A documented difference is the Business edition supports Federations:
http://azure.microsoft.com/en-us/documentation/articles/sql-database-scale-out/
"Federations are supported in the Business edition. For more information, see Federations in SQL Database and SQL Database Federations Tutorial ... "